Ignition Control Units

6 pin CDI connector housing. 


Fits:
Porsche 911 - 1978 to 1989

6 pin CDI Connector Housing for Porsche 911.

This is a high quality reproduction part made from PA12 Nylon which is tough, durable, heat and chemical resistant. It is also an excellent insulator.

Please Note
Pins & wiring not included, this is only the empty housing.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93060270200

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Ignition Coil. Porsche 911 / 930

This coil is designed to replace the Marelli BAE202B ignition coil or Bosch 0221121001. It will work with the Porsche Perma-Tune ignition modules. It is intended to look like original equipment and is a high quality coil made in the USA.

Fits:
Porsche 911 1970-83 / 911 SC
Porsche 930 Turbo 3.0L 1975-77
Porsche 930 Turbo 3.3L 1986-89
Porsche 356 12v Only

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PCG602502A

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6 Pin CDI Harness

This harness is designed to be a stand alone replacement wiring harness for the 911SC models using the 6 pin CDI system. Until now the only way to replace a damaged ignition harness on the SC models was to replace the entire engine harness. This is very expensive and time consuming to do. We have designed this harness to allow the mechanic to just replace the wiring harness that controls the ignition function of the vehicle. The harness will plug directly into the CDI Box, The Ignition distributor and coil. The only two connections that will require some plug dis-assembly are the 12V ignition connection at the rear fuse panel and the tachometer signal wire at the 14 pin plug connector. Both of these wires come with the correct connectors installed on the wires.



Fits:
Porsche 911 1978-83
Porsche 930 3.3L 1978-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93061205000

The product you are viewing cross references to these numbers

Ignition Starter Unit CDI 6 PIN.
(Bosch Ref 0227300004)

Classic Retrofit replacement CDI+ ignition offers you bespoke modern electronics in a standard looking package. The CDI+ unit requires no modifications to the original wiring harness or vehicle metalwork and is 'plug and play'.

The CDI+ is a direct replacement for the 3 pin and 6 pin Bosch units fitted to Porsche 911's between 1969 and 1983 (and turbo models to ~1988). All CDI+ units have a 48 MHz microprocessor onboard to control ignition timing.

Advanced Unit:
The advanced unit allows the adjustment/tuning of the ignition advance curve and other features by plugging in a laptop. This can be achieved by 'overlaying' a curve on top of the distributor weights/springs curve or by locking the distributor and replacing the curve completely. Either way, you can unlock the true potential of your engine by adjusting fuelling and having the ignition curve to match.

The CDI+ has all the features of the basic unit but allow more flexibility in adjustment:
-Fully programmable ignition advance curve.
-Hard RPM limiter with adjustable ignition cut schemes
-Soft RPM limiter with adjustable ignition retard
-Launch RPM limiter
-Double spark at all RPMs
-Max RPM tell tale
-Shift Light output
-Clutch pedal input
-Tacho calibration
-Upgradeable through firmware updates

Fits:
Porsche 911 1978-83
Porsche 930 3.3L 1978-89

For Installation Guide CLICK HERE

For 911-CDI+ Dyno Test Results CLICK HERE

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93060270200

The product you are viewing cross references to these numbers

OE Match 24-Pin Performance Upgrade Chip – USA/Canada Specification – Premuffler / Cat Bypass Configuration

Transform the performance of your 1987 USA/Canada specification Porsche 911 Carrera 3.2 with the OE Match 24-Pin Performance Upgrade Chip, specifically developed for 930/21 and 930/25 catalyst engines fitted with a premuffler or catalytic converter bypass pipe, while retaining either the factory rear silencer or a sports muffler.

 Fits:

• Porsche 911 1987 3.2L G50    
  

Replacing the restrictive catalytic converter allows the 3.2-litre flat-six to breathe more efficiently, but without optimising the Bosch Motronic ECU, much of the potential performance gain is left untapped. This OE Match calibration has been developed specifically for freer-flowing exhaust systems, delivering stronger torque, sharper throttle response and smoother power delivery throughout the rev range.

Planning your exhaust upgrade? This chip can be installed now on a standard catalyst-equipped car, allowing you to enjoy its drivability improvements immediately before fitting a premuffler or cat bypass at a later date.

Developed for Real-World Performance

Unlike generic replacement chips, every OE Match Performance Chip has been developed from a completely new calibration. Hundreds of hours of software development, road evaluation and dyno testing across more than one hundred Carrera 3.2 models have produced a calibration that transforms the way the car drives.

Exclusive OE Match programming delivers:

• Smoother idle with virtually no idle hunting
• Increased low and mid-range torque
• Sharper throttle response
• Elimination of the factory flat spot below 4,000 rpm
• Reduced RPM dipping during deceleration
• Reduced overrun backfiring
• Strong pulling power from just 1,500 rpm
• Dyno-proven horsepower and torque gains throughout the rev range

The result is a Carrera that feels noticeably lighter, more responsive and considerably more enjoyable to drive. Many owners describe the improvement as feeling like the car has shed 500-600 pounds in weight.

Many customers also report 10-15% improvements in highway fuel economy, thanks to improved part-throttle efficiency.

1987 Model Year – 24-Pin or 28-Pin?

1987 was a transition year, with Porsche changing from a 24-pin EPROM to a 28-pin version during production.

The only reliable way to determine which chip your vehicle requires is to remove the DME control unit and count the number of pins on the original EPROM. The factory chip is a black rectangular unit fitted with a silver foil label displaying a number similar to 1267355xxx.

If your DME contains a 24-pin EPROM, this is the correct OE Match Performance Chip. If your vehicle has a 28-pin chip, please select the dedicated OE Match 28-pin version.

Why Choose OE Match?

This is not a "one-size-fits-all" performance chip. OE Match calibrations are engineered specifically for individual Porsche engine and exhaust configurations, ensuring the Bosch Motronic system delivers maximum performance while maintaining smooth drivability and factory-level reliability.

Benefits

• Increased horsepower and torque
• Sharper throttle response
• Eliminates the factory low-RPM hesitation
• Improved acceleration throughout the rev range
• Smoother idle and reduced deceleration backfiring
• Better everyday drivability
• Potential improvements in fuel economy
• Maximises the benefits of a premuffler or cat bypass exhaust

Porsche 911 Carrera 3.2 Premuffler & Cat Bypass Performance Chips

A premuffler or catalytic converter bypass is one of the most popular upgrades for the Porsche 911 3.2 Carrera, improving exhaust flow and allowing the flat-six engine to perform more efficiently. However, to unlock the full benefit of these modifications, the Bosch Motronic engine management should be recalibrated to match the improved exhaust characteristics.

OE Match Performance Chips are developed specifically for USA and Canada specification Carrera models, with calibrations tailored to standard, premuffler and cat bypass exhaust configurations. Every chip is designed to improve torque, throttle response, drivability and overall engine performance while maintaining the reliability expected from an air-cooled Porsche.

OE Match 24-Pin Performance Upgrade Chip – USA/Canada Specification SSI or Performance Headers

Take your 1987 USA/Canada specification Porsche 911 Carrera 3.2 to the next level with the OE Match 24-Pin Performance Upgrade Chip, developed specifically for 930/21 and 930/25 catalyst engines converted to SSI heat exchangers or performance headers, while retaining either the factory rear silencer or a sports muffler.

 Fits:

• Porsche 911 1987 3.2L G50    
  

Upgrading to SSI heat exchangers or performance headers dramatically improves exhaust flow, but to achieve the maximum performance benefit, the Bosch Motronic engine management must be recalibrated. The OE Match Performance Chip has been engineered specifically for this exhaust configuration, optimising ignition timing and fuel delivery to deliver stronger performance, sharper throttle response and exceptional drivability.

Unlock the Full Potential of Your Carrera

This is far more than a generic replacement EPROM. Every OE Match Performance Chip has been developed from a completely new calibration following hundreds of hours of software development, road evaluation and dyno testing on more than one hundred Carrera 3.2 models.

Exclusive OE Match programming delivers:

• Smoother idle with virtually no idle hunting
• Increased low and mid-range torque
• Sharper throttle response
• Elimination of the factory flat spot below 4,000 rpm
• Reduced RPM dipping during deceleration
• Reduced overrun backfiring
• Strong pulling power from just 1,500 rpm
• Dyno-proven horsepower and torque gains throughout the rev range

The difference is immediately noticeable. The engine becomes more responsive, accelerates harder throughout the rev range and delivers a far more engaging driving experience. Many owners describe the transformation as making the car feel 500-600 pounds lighter.

Many customers also report 10-15% improvements in highway fuel economy, thanks to more efficient part-throttle mapping.

1987 Model Year – 24-Pin or 28-Pin?

1987 was a transitional production year, with Porsche changing from a 24-pin EPROM to a 28-pin version during production.

The only reliable way to determine which chip your vehicle requires is to remove the DME control unit and count the pins on the original EPROM. The factory chip is a black rectangular unit fitted with a silver foil identification label displaying a number similar to 1267355xxx.

If your DME contains a 24-pin EPROM, this is the correct OE Match Performance Chip. If your vehicle has a 28-pin chip, please select the dedicated OE Match 28-pin version.

Why Choose OE Match?

OE Match chips are not "one-size-fits-all" calibrations. Each program has been individually developed to suit specific Porsche engine and exhaust combinations, ensuring optimum performance from every configuration.

Extensive research, continual code refinement and comprehensive dyno testing have produced a calibration that delivers outstanding throttle response, stronger torque, improved drivability and reliable performance.

Porsche 911 3.2 Carrera Performance Chips for SSI & Performance Headers

SSI heat exchangers and performance headers are among the most effective upgrades for improving the breathing and performance of the Porsche 911 3.2 Carrera. To fully capitalise on the increased exhaust flow, the Bosch Motronic engine management should be recalibrated with software designed specifically for these modifications.

OE Match Performance Chips are developed exclusively for USA and Canada specification Carrera models equipped with SSI or performance header conversions. Every calibration is tailored to deliver stronger torque, faster throttle response, smoother power delivery and improved drivability while maintaining the reliability and character of Porsche's iconic air-cooled flat-six.

OE Match 24-Pin Performance Upgrade Chip – USA/Canada Specification 

Unlock the full potential of your 1987 USA/Canada specification Porsche 911 Carrera 3.2 with the OE Match 24-Pin Performance Upgrade Chip. Designed specifically for 930/21 and 930/25 catalyst engines in standard configuration with the factory catalytic converter and either the original or sports rear silencer, this upgrade transforms the performance and drivability of your air-cooled 911.
 
Fits:

• Porsche 911 1987 3.2L G50    
  

Developed through hundreds of hours of road and dyno testing on over one hundred Carrera 3.2 models, this is far more than a generic replacement chip. Starting with a completely new calibration, the ignition and fuel maps have been extensively re-engineered to deliver stronger performance throughout the rev range while maintaining factory reliability.

More Than Just Peak Power

• The OE Match chip improves every aspect of the driving experience by delivering:
• Smoother idle and virtually eliminating idle hunting
• Stronger low and mid-range torque
• Sharper throttle response
• Removal of the factory flat spot below 4,000 rpm
• Reduced deceleration backfiring and RPM dipping
• Increased pulling power from as little as 1,500 rpm
• Dyno-proven horsepower and torque gains throughout the rev range

The result is a Carrera that feels noticeably lighter, more responsive and considerably more enjoyable to drive, whether on the road or at your next autocross event.

Many owners also report improvements of 10-15% in highway fuel economy, thanks to improved part-throttle efficiency.

Designed Specifically for Your Car

Unlike generic "one-size-fits-all" chips, the OE Match Performance Chip uses proprietary software developed exclusively for the Porsche 3.2 Carrera. Extensive coding revisions and real-world testing have produced performance unavailable from conventional Motronic upgrades.

Every calibration is designed to maximise the performance of your individual engine specification while maintaining safe operating parameters.

Is Your 1987 Carrera a 24-Pin or 28-Pin Car?

The 1987 model year was a transition period, with Porsche changing from a 24-pin DME chip to a 28-pin version during production.

The only reliable way to identify which chip your car requires is to remove the DME control unit and count the number of pins on the existing chip. The original chip is a black rectangular EPROM fitted with a silver factory foil label displaying a number similar to 1267355xxx.

If your DME contains a 24-pin EPROM, this is the correct upgrade chip for your vehicle.
If your car has a 28-pin chip, you'll require the corresponding 28-pin OE Match version instead.

Features

• Designed for 1987 USA & Canada Porsche 911 Carrera 3.2
• Fits 930/21 and 930/25 catalyst engines
• 24-pin Bosch Motronic DME chip
• Suitable for factory catalytic converter
• Compatible with standard or sports rear silencers
• Proprietary ignition and fuel mapping
• Improved idle stability
• Increased torque and throttle response
• Dyno-tested and road-developed 

Benefits

• Improved everyday drivability
• Stronger acceleration throughout the rev range
• Eliminates the low-RPM hesitation
• Faster throttle response
• Smoother idle quality
• Increased engine flexibility
• Potential fuel economy improvements
• One of the most cost-effective performance upgrades available for the Carrera 3.2
  
  

Porsche 911 Carrera 3.2 Performance Chips

The Bosch Motronic ECU fitted to the Porsche 911 Carrera 3.2 responds exceptionally well to professional recalibration. OE Match Performance Chips optimise ignition timing and fuel delivery to improve throttle response, torque, drivability and overall engine performance without compromising reliability.

Whether your Carrera is completely standard or fitted with a sports rear silencer, Design911 offers model-specific performance chips developed for USA, Canada, ROW and European specification vehicles, ensuring every engine receives the correct calibration.

OE Match 28-Pin Performance Upgrade Chip – USA/Canada Specification Premuffler / Cat Bypass Configuration

Take full advantage of your 1987-1989 USA/Canada specification Porsche 911 Carrera 3.2 with the OE Match 28-Pin Performance Upgrade Chip, engineered specifically for 930/21 and 930/25 catalyst engines fitted with a premuffler or catalytic converter bypass pipe, while retaining either the factory rear silencer or a sports muffler.                     

Fits:

• Porsche 911 1987-1989 3.2L G50           

Removing the restrictive catalytic converter significantly improves exhaust flow, but without recalibrating the Bosch Motronic ECU, the engine cannot fully benefit from the modification. This OE Match Performance Chip has been developed specifically for freer-flowing exhaust systems, optimising ignition timing and fuel delivery to maximise horsepower, torque and throttle response while maintaining excellent reliability.

1987 Model Year – 24-Pin or 28-Pin?

1987 was a transition year, with Porsche changing from a 24-pin EPROM to a 28-pin version during production.

The only reliable way to determine which chip your vehicle requires is to remove the DME control unit and count the number of pins on the original EPROM. The factory chip is a black rectangular unit fitted with a silver foil label displaying a number similar to 1267355xxx.

If your DME contains a 24-pin EPROM, this is the correct OE Match Performance Chip. If your vehicle has a 28-pin chip, please select the dedicated OE Match 28-pin version.

Planning to fit a premuffler or cat bypass in the future? This chip can be installed on a standard catalyst-equipped car today, allowing you to enjoy immediate improvements in drivability and performance before upgrading your exhaust at a later date.

Engineered for Real Performance

Unlike generic replacement chips, the OE Match Performance Chip has been developed from a completely new calibration. Hundreds of hours of software development, road testing and dyno evaluation on more than one hundred Carrera 3.2 models have produced a calibration that transforms the way your Porsche drives.

Exclusive programming provides:

• Smoother idle with virtually no idle hunting
• Increased low and mid-range torque
• Sharper throttle response
• Elimination of the factory flat spot below 4,000 rpm
• Reduced deceleration backfiring and RPM dipping
• Stronger pulling power from just 1,500 rpm
• Dyno-proven horsepower and torque gains throughout the rev range

The result is a Carrera that feels significantly more responsive, delivering stronger acceleration and improved flexibility in everyday driving. Many owners describe the transformation as making the car feel 500-600 pounds lighter.

Many customers also report 10-15% improvements in highway fuel economy, thanks to improved part-throttle efficiency.

Why Choose OE Match?

This is not a generic "one-size-fits-all" performance chip. Every OE Match calibration is developed specifically for individual Porsche engine and exhaust configurations, ensuring the Bosch Motronic engine management is perfectly matched to your vehicle.

Extensive research, coding revisions and real-world testing have produced a calibration that delivers outstanding drivability, stronger performance and factory-like refinement.

Benefits

• Increased horsepower and torque
• Faster throttle response
• Eliminates the factory low-RPM hesitation
• Improved mid-range acceleration
• Smoother idle quality
• Reduced deceleration backfiring
• Better everyday drivability
• Potential improvements in fuel economy
• Maximises the performance benefits of a premuffler or cat bypass exhaust

Porsche 911 3.2 Carrera Premuffler & Cat Bypass Performance Chips

A premuffler or catalytic converter bypass is one of the most effective upgrades for improving exhaust flow on the Porsche 911 3.2 Carrera. To realise the full benefit of these modifications, the Bosch Motronic ECU should be recalibrated to match the reduced exhaust restriction.

OE Match Performance Chips are developed specifically for USA and Canada specification Carrera models, with calibrations tailored for standard, premuffler and cat bypass exhaust configurations. Every chip is engineered to improve torque, throttle response, drivability and overall engine performance while maintaining the reliability expected from an air-cooled Porsche.

OE Match 28-Pin Performance Upgrade Chip – USA/Canada Specification SSI or Performance Headers

Unleash the full performance potential of your 1987-1989 USA/Canada specification Porsche 911 Carrera 3.2 with the OE Match 28-Pin Performance Upgrade Chip, engineered specifically for 930/21 and 930/25 catalyst engines fitted with SSI heat exchangers or performance headers, while retaining either the factory rear silencer or a sports muffler.                

Fits:

• Porsche 911 1987-1989 3.2L G50           

SSI heat exchangers and performance headers dramatically improve exhaust scavenging and engine breathing, allowing the legendary 3.2-litre flat-six to produce more usable power throughout the rev range. To fully exploit these modifications, the Bosch Motronic ECU requires a calibration specifically written for the increased exhaust flow. The OE Match Performance Chip has been developed precisely for this purpose, delivering sharper performance without compromising reliability or drivability.

1987 Model Year – 24-Pin or 28-Pin?

1987 was a transition year, with Porsche changing from a 24-pin EPROM to a 28-pin version during production.

The only reliable way to determine which chip your vehicle requires is to remove the DME control unit and count the number of pins on the original EPROM. The factory chip is a black rectangular unit fitted with a silver foil label displaying a number similar to 1267355xxx.

If your DME contains a 24-pin EPROM, this is the correct OE Match Performance Chip. If your vehicle has a 28-pin chip, please select the dedicated OE Match 28-pin version.

Developed to Transform the 3.2 Carrera

This is far more than a generic replacement EPROM. Every OE Match Performance Chip has been written from the ground up following hundreds of hours of software development, road testing and dyno evaluation across more than one hundred Porsche 3.2 Carrera models.

Exclusive OE Match programming delivers:

• Smoother idle with virtually no idle hunting
• Increased low and mid-range torque
• Sharper throttle response
• Elimination of the factory flat spot below 4,000 rpm
• Reduced RPM dipping during deceleration
• Reduced overrun backfiring
• Stronger pulling power from just 1,500 rpm
• Dyno-proven horsepower and torque gains throughout the rev range

The result is a Carrera that feels lighter, more responsive and considerably quicker in everyday driving. Many owners describe the improvement as making the car feel as though it has lost 500-600 pounds, with stronger acceleration and improved flexibility in every gear.

Many customers also report 10-15% improvements in highway fuel economy, thanks to the refined part-throttle fuel and ignition mapping.

Optimised for SSI & Performance Header Conversions

This calibration has been specifically engineered for:

• 1987-1989 USA & Canada Porsche 911 Carrera 3.2
• Engine codes 930/21 and 930/25
  
• 28-pin Bosch Motronic DME
• SSI heat exchangers
• Performance header exhaust systems
• Standard or sports rear silencers

By recalibrating the Bosch Motronic engine management to suit the improved exhaust flow, the engine develops stronger torque across the rev range while maintaining smooth idle quality, refined drivability and factory-level reliability.

Why Choose OE Match?

Unlike generic performance chips, OE Match calibrations are individually developed for specific Porsche engine and exhaust combinations. Extensive research, continual software refinement and comprehensive dyno testing have produced a calibration that consistently outperforms conventional replacement chips.

With a wide range of bespoke calibrations available for different engine specifications and exhaust configurations, every Carrera receives software tailored to its exact setup.

Porsche 911 3.2 Carrera Performance Chips for SSI & Performance Headers

SSI heat exchangers and performance headers are among the most popular upgrades for the Porsche 9113.2  Carrera, improving exhaust scavenging and allowing the air-cooled flat-six engine to breathe more efficiently. To maximise these benefits, the Bosch Motronic ECU should be recalibrated with software specifically designed for this exhaust configuration.

OE Match Performance Chips are developed exclusively for USA and Canada specification Carrera models equipped with SSI heat exchangers or performance headers. Every calibration is tailored to optimise torque, throttle response, drivability and overall engine performance while preserving the reliability and character that make the Carrera 3.2 one of Porsche's most rewarding air-cooled models.

OE Match 28-Pin Performance Upgrade Chip – USA/Canada Specification 

Unlock the full performance potential of your 1987-1989 USA/Canada specification Porsche 911 Carrera 3.2 with the OE Match 28-Pin Performance Upgrade Chip. Developed specifically for 930/21 and 930/25 catalyst-equipped engines in standard configuration with the factory catalytic converter and either the original or a sports rear silencer, this precision-engineered ECU upgrade delivers noticeably sharper performance while maintaining factory reliability.
                     
Fits:

• Porsche 911 1987-1989 3.2L G50           

Unlike generic replacement chips, the OE Match Performance Chip has been developed from a completely new calibration. Hundreds of hours of coding, road evaluation and dyno testing on over one hundred Carrera 3.2 models have produced a refined ignition and fuel map that unlocks performance hidden within the Bosch Motronic system.

Transform the Way Your Carrera Drives
The improvements extend far beyond peak horsepower. Proprietary software algorithms—exclusive to OE Match—have been developed to improve every aspect of the driving experience by delivering:

• Smoother, more stable idle
• Virtually eliminating idle hunting
• Reduced RPM dipping on deceleration
• Reduced overrun backfiring
• Stronger low and mid-range torque
• Sharper throttle response
• Elimination of the factory flat spot below 4,000 rpm
• Increased pulling power from as little as 1,500 rpm

The result is a Carrera that feels significantly more responsive and eager throughout the rev range, with many owners describing the transformation as feeling like the car has shed 500-600 pounds in weight.

Many customers also report 10-15% improvements in highway fuel economy, thanks to improved part-throttle efficiency.

Engineered for Standard USA & Canada Specification Cars

This chip has been specifically calibrated for:

• 1987-1989 Porsche 911 Carrera 3.2 USA & Canada specification
• Engine codes 930/21 and 930/25
  
• Standard engine configuration
• Factory catalytic converter
• Standard or sports rear silencer
• Bosch Motronic DME with 28-pin EPROM

Every calibration has been developed to maximise performance while maintaining smooth drivability, reliability and safe engine operation.

Is Your 1987 Carrera a 24-Pin or 28-Pin Car?

1987 was a transitional production year, with Porsche changing from a 24-pin DME EPROM to a newer 28-pin version during production.

If you own a 1987 Carrera, the only reliable way to identify which chip your car requires is to remove the DME control unit and count the number of pins on the original EPROM. The factory chip is a black rectangular unit fitted with a silver foil label displaying a part number similar to 1267355xxx.

If your DME contains a 28-pin EPROM, this is the correct upgrade chip. If it has a 24-pin chip, you'll require the dedicated OE Match 24-pin version instead.

Why Choose OE Match?

This is not a "one-size-fits-all" performance chip. Every OE Match calibration has been developed through extensive coding, dyno testing and real-world driving to optimise ignition timing and fuel delivery for individual Porsche engine configurations.

The result is stronger acceleration, improved drivability, enhanced throttle response and measurable performance gains—all while retaining the refinement and reliability expected from an air-cooled Porsche. 

Features

• Designed for 1987-1989 USA & Canada Porsche 911 Carrera 3.2
• Fits 930/21 and 930/25 catalyst engines
• 28-pin Bosch Motronic DME chip
• Suitable for standard engine configuration
• Compatible with factory catalytic converter
• Works with standard or sports rear silencers
• Proprietary ignition and fuel mapping
• Dyno-developed and road-tested
• Improved idle stability and throttle response 100% satisfaction guarantee

Benefits

• Improved everyday drivability
• Increased low and mid-range torque
• Faster throttle response
• Eliminates the factory low-RPM hesitation
• Smoother idle quality
• Stronger acceleration throughout the rev range
• Potential fuel economy improvements
• One of the most cost-effective performance upgrades for the Carrera 3.2

Porsche 911 Carrera 3.2 Performance Chips & Bosch Motronic Upgrades

The Bosch Motronic engine management system fitted to the Porsche 911 Carrera 3.2 offers significant untapped performance when professionally recalibrated. OE Match Performance Chips optimise ignition timing and fuel delivery to improve torque, throttle response, drivability and overall engine performance without compromising long-term reliability.

Model-specific OE Match Performance Chips for USA, Canada, ROW and European specification Carrera 3.2 models, ensuring every engine receives the correct calibration for its specification and exhaust configuration.

Whether your goal is stronger road performance, improved throttle response or a more engaging driving experience, an OE Match Performance Chip is one of the simplest and most effective upgrades available for the air-cooled Porsche 911

Performance Upgrade Chip – 24-Pin Chip with Standard or Sport Rear Silencer

Transform the performance and drivability of your 1987 Porsche 911 3.2 Carrera Euro Specification with this OE Match 24-pin Performance Upgrade Chip, specifically engineered for Bosch Motronic DME systems fitted with the 24-pin EPROM. Designed for cars equipped with either the standard rear silencer or a sport rear silencer, this bespoke ECU calibration unlocks the full potential of the legendary 3.2-litre flat-six while maintaining the smooth refinement and reliability expected from a Porsche.
 
Fits:

• Porsche 911 1987 3.2L G50  

Unlike generic replacement chips that apply universal ignition and fuel maps, this software has been developed from a completely blank programme. Hundreds of hours of coding, road testing and chassis dynamometer development across more than one hundred Carrera 3.2 models have resulted in one of the most thoroughly refined Motronic calibrations available.

The result is a noticeably smoother idle, significantly stronger low and mid-range torque, sharper throttle response, elimination of the characteristic sub-4,000rpm flat spot and measurable horsepower gains throughout the rev range.

1987 24-Pin or 28-Pin DME – Which Chip Do I Need?

1987 was a transitional production year, with Porsche changing from a 24-pin EPROM to a 28-pin EPROM during production.
The only reliable way to determine which version your vehicle requires is to remove the DME control unit and inspect the existing chip
The original EPROM is a black rectangular integrated circuit fitted with a factory foil label displaying a sequence of numbers similar to:1267355xxx

Count the number of legs (pins) on the chip:

• 24 pins – This product is correct.
• 28 pins – You require the 28-pin version.

Please refer to the DME chip installation guide before ordering if you are unsure.

Specifically Developed for 1987 24-Pin Euro Specification Cars

This version has been developed exclusively for:

1987 Porsche 911 Carrera 3.2 Euro/ROW specification 24-pin Bosch Motronic DME Standard rear silencer Sport rear silencer Manual transmission vehicles Standard or mildly modified engines

The default calibration is designed for 95 RON premium unleaded fuel.

For owners using 98 RON premium fuel, an optional dedicated calibration is available to maximise ignition advance and overall engine performance.

Why This Chip Is Different

Rather than modifying the factory programme, this calibration has been completely re-engineered to optimise every aspect of engine operation.

The revised software enhances:

• Ignition timing.
• Fuel delivery.
• Full-load enrichment.
• Part-throttle performance.
• Torque development.
• Throttle response.
• Idle stability.
• Deceleration characteristics.

Every map has been refined through extensive dyno development and real-world road testing to deliver measurable improvements across the entire rev range.

Performance Gains You Can Feel

The improvements extend far beyond peak horsepower.

Typical gains include:

• 6–8% increase in horsepower and torque across the powerband.
• Approximately 12–16 bhp increase on standard engines.
• Around 20 lb-ft increase in torque through much of the rev range.
• 10–20% increase in part-throttle torque and engine efficiency.
• Up to 25–35 bhp improvement around 6,500rpm in certain operating conditions.
• Stronger acceleration from just 1,500rpm.
• Elimination of the familiar hesitation below 4,000rpm.
• More responsive acceleration to the rev limiter.

Cars fitted with polished intake runners, sports silencers or improved induction systems may achieve even greater gains, as the revised calibration allows the engine to make full use of the additional airflow.

Dramatically Improved Drivability

Owners immediately notice improvements in everyday driving, including:

• Smoother idle.
• Virtually eliminated idle hunting.
• Reduced RPM dip during deceleration.
• Reduced overrun popping and backfiring.
• Sharper throttle response.
• Increased low-speed flexibility.
• Stronger mid-range acceleration.
• Improved overtaking performance.
• More progressive engine response.

The revised torque curve gives the impression that the car has become substantially lighter, making it more responsive in every driving situation.

Optimised for Standard or Sport Rear Silencers

Many Carrera owners fit sports rear silencers expecting substantial power gains, but the factory Motronic software continues to use conservative ignition and fuelling strategies.

This calibration has been specifically optimised for:

• Standard factory silencers.
• Performance rear silencers.
• Improved exhaust flow.

By optimising ignition timing and fuel delivery, the engine is able to fully exploit these upgrades while maintaining excellent drivability.

Improved Fuel Efficiency

While performance is the primary objective, optimised part-throttle calibration also improves engine efficiency.

Many owners report highway fuel economy improvements of approximately 10–15%, depending on vehicle condition, fuel quality and driving style.

Benefits

Installing this OE Match Performance Upgrade Chip provides:

• Increased horsepower.
• Stronger torque throughout the rev range.
• Sharper throttle response.
• Smoother idle quality.
• Reduced hesitation.
• Improved flexibility in everyday driving.
• Better compatibility with sports silencers.
• Faster overtaking performance.
• Potential motorway fuel economy improvements.
• One of the highest performance gains available per pound spent.

Installation Recommendations

Professional installation is recommended.

Before fitting the Performance Upgrade Chip, ensure:

• The correct 24-pin DME is fitted.
• Spark plugs are in good condition.
• Distributor cap and rotor arm are serviceable.
• Fuel injectors are operating correctly.
• Airflow meter is functioning correctly.
• No intake vacuum leaks are present.
• Valve clearances are correctly adjusted.
• Fuel pressure is within specification.
• The engine is fully serviced.

Selecting the correct fuel calibration for your chosen octane rating will ensure optimum performance and long-term reliability.

Performance Upgrade Chip 24-Pin – Euro Spec with SSI or Race/Performance Headers

Unlock the full potential of your 1987 Euro specification Porsche 911 Carrera 3.2 with this OE Match 24-pin Performance Upgrade Chip, specifically developed for cars fitted with SSI heat exchangers or race/performance headers.

 Fits:

• Porsche 911 1987 3.2L G50  

This dedicated calibration is designed for the Bosch Motronic DME used in 1987 Carrera 3.2 models equipped with a 24-pin EPROM. It is not a generic, one-size-fits-all programme. The software has been developed to suit the increased exhaust flow created by SSI systems, tubular manifolds and performance headers, allowing the engine to make better use of these upgrades through revised ignition and fuel mapping.

The result is stronger low and mid-range torque, sharper throttle response, smoother idle quality and more usable power throughout the rev range. The familiar hesitation below 4,000rpm is substantially reduced, with improved response available from as low as 1,500rpm.

For owners who have already upgraded the exhaust system, this chip is one of the most cost-effective ways to ensure those hardware modifications deliver their full performance benefit.

1987 Model Owners – How Do I Know Whether I Have a 24-Pin or 28-Pin Chip?
The 1987 model year was a transitional period during which Porsche changed from a 24-pin EPROM to a 28-pin EPROM.
The vehicle model year alone is therefore not enough to confirm compatibility.
The only reliable way to identify the correct version is to open the DME control unit and inspect the original chip.

The factory EPROM is typically:

• Black and rectangular
• Fitted with a matte foil sticker
• Marked with a number similar to 1267355xxx

Count the chip legs:

• 24 pins: this product is correct
• 28 pins: order the 28-pin version instead

Always confirm the pin count before ordering. Refer to the DME chip installation instructions for guidance on safely accessing and identifying the existing EPROM

Specifically Developed for the 1987 Euro 24-Pin DME

This Performance Upgrade Chip is intended for:

• 1987 Porsche 911 Carrera 3.2 Euro/ROW specification engines
• Bosch Motronic DME with 24-pin EPROM
• SSI heat exchangers
• Race headers
• Performance exhaust manifolds
• Standard or performance rear silencers
• Standard or mildly modified engines

The standard programme is calibrated for 95 RON premium unleaded fuel.

A dedicated 98 RON calibration is also available for customers who consistently use higher-octane fuel and want the ignition and fuel maps optimised accordingly.

What Does the Performance Upgrade Chip Do?

The chip replaces the original EPROM programme within the Bosch Motronic DME and revises the engine management calibration to suit the car’s exhaust configuration.

The software optimises:

• Ignition timing
• Full-load fuelling
• Part-throttle fuelling
• Throttle response
• Low-speed torque delivery
• Mid-range power
• High-rpm performance
• Idle stability
• Deceleration behaviour
• Compatibility with increased exhaust flow

The factory Motronic software was calibrated for the original exhaust system. When SSI heat exchangers or performance headers are installed, the engine can flow more air, but the standard DME programme cannot fully optimise that change.

This dedicated chip helps ensure the engine receives the correct fuelling and ignition strategy to support the freer-flowing exhaust.

Developed from the Ground Up

This calibration was not created by making a few basic changes to the original factory software.

The programme was re-engineered through hundreds of hours of code development, road testing and dynamometer evaluation across a wide range of Carrera 3.2 engines. This extensive testing has identified areas of performance, drivability and efficiency that are not addressed by generic aftermarket chips.

The wide range of available programmes allows the calibration to be matched to:

• Engine market specification
• Exhaust configuration
• Fuel octane
• Intake modifications
• Owner preference
• Overall engine specification

This ensures a more appropriate setup than a universal chip intended to work with every vehicle.

Stronger Low and Mid-Range Torque

One of the most noticeable improvements is the stronger torque delivery at low and medium engine speeds.

The revised calibration helps the engine respond from approximately 1,500rpm, reducing the need to constantly downshift and making the car feel more immediate in everyday driving.

Typical improvements include:

• Stronger acceleration from low rpm
• Increased mid-range pulling power
• Sharper response to small throttle inputs
• Reduced hesitation below 4,000rpm
• Improved overtaking performance
• Greater flexibility in higher gears
• More responsive corner-exit acceleration
• Improved throttle modulation during autocross and fast-road driving

The broader torque curve can make the vehicle feel considerably lighter and more energetic without changing the engine’s fundamental character.

Smoother Idle and Improved Drivability

The revised software also targets common Carrera 3.2 drivability concerns.

It can help reduce:

• Idle hunting
• Sub-idle rpm dipping during deceleration
• Hesitation when returning to idle
• Deceleration backfiring
• Uneven low-speed response
• Flat spots during part-throttle acceleration

This creates a smoother transition between idle, part throttle and full load, improving both urban drivability and performance use.

Expected Performance Gains

Typical claimed gains include:

• Approximately 6–8% increase in horsepower and torque across the powerband
• Around 12–16hp on otherwise standard engines
• Approximately 20 lb-ft of additional torque through areas of the rev range
• Around 10–20% improvement in part-throttle torque, horsepower and efficiency
• Stronger power delivery from 1,500rpm to the rev limit
• Potentially greater gains on engines with SSI systems, polished intake runners and other airflow improvements
• Up to approximately 20hp on suitably modified engines

In certain areas near the top of the rev range, gains may be substantially greater than the peak-to-peak figure because the revised software can reduce the power drop-off found with the standard calibration.

Actual results will vary according to engine condition, exhaust specification, induction setup, fuel quality, ambient conditions and dynamometer method.

Why SSI and Performance Headers Need Matching Software

SSI heat exchangers and race/performance headers improve exhaust gas flow by reducing restriction and improving scavenging.

However, the original DME remains programmed around the factory exhaust system. At full load, the Bosch Motronic system relies heavily on pre-programmed fuel and ignition maps. It cannot automatically make full use of major airflow changes.

A matched performance chip helps by:

• Supporting the increased exhaust flow
• Adding appropriate fuel under load
• Optimising ignition timing
• Improving engine response
• Strengthening high-rpm performance
• Reducing the limitations of the standard map
• Maximising the benefit of SSI or header installation

Without corresponding software changes, the full value of a performance exhaust system may not be realised.

Potential Fuel Economy Improvement

Although this chip is primarily a performance upgrade, the revised part-throttle and ignition mapping may also improve cruising efficiency.

Many customers report highway fuel economy improvements of approximately 10–15%, depending on vehicle condition, driving style, fuel quality and operating conditions.

These figures are customer-reported and should not be considered guaranteed.

Installation Recommendations

Professional installation is recommended.

Before ordering, confirm:

• The vehicle is a 1987 Euro/ROW Porsche 911 Carrera 3.2
• The DME contains a 24-pin EPROM
• The car is fitted with SSI or performance headers
• The preferred fuel programme is 95 RON or 98 RON
• All additional engine and exhaust modifications are declared

Before installation, inspect:

• Spark plugs
• Distributor cap and rotor arm
• Ignition leads
• Fuel injectors
• Fuel pressure
• Airflow meter
• Intake hoses and vacuum lines
• Valve clearances
• General engine service condition

A healthy engine and correctly functioning ignition and fuel systems are essential for achieving the intended results safely.y.

OE Match Performance Upgrade Chip 28-Pin - Euro Spec with Standard or Sport Rear Silencer

Unleash the full performance potential of your 1987-1989 Porsche 911 3.2 Carrera Euro Specification with this OE Match 28-pin Performance Upgrade Chip, developed specifically for Bosch Motronic DME systems equipped with the 28-pin EPROM. Suitable for vehicles fitted with either the standard rear silencer or a sport rear silencer, this bespoke ECU calibration transforms the way the legendary 3.2-litre air-cooled flat-six delivers its power.
 
Fits:

• Porsche 911 1987-1989 3.2L G50  

Unlike generic "one-size-fits-all" performance chips, this software has been developed entirely from the ground up. Following hundreds of hours of programming, extensive road testing and dyno development across more than one hundred Carrera 3.2 models, the result is a calibration that delivers significantly stronger torque, improved throttle response, smoother idle quality and proven horsepower gains throughout the entire rev range.

Whether your Porsche remains factory original or benefits from carefully selected performance modifications, this dedicated 28-pin chip delivers one of the highest horsepower-per-pound upgrades available while maintaining factory refinement and reliability.

Specifically Developed for 1987-1989 Euro Specification 28-Pin DME Cars

This calibration has been engineered exclusively for:

• 1987-1989 Porsche 911 Carrera 3.2 Euro/ROW Specification
• Bosch Motronic DME with 28-pin EPROM
• Standard rear silencer.
• Sport rear silencer.
• Standard engines.
• Mildly modified engines.

The standard calibration is optimised for 95 RON premium unleaded fuel.

For customers regularly using 98 RON premium fuel, an optional higher-octane calibration is available to safely maximise ignition advance and overall engine performance.

Developed from a Blank Slate

Rather than making minor alterations to the original Porsche software, this Performance Upgrade Chip has been completely re-engineered.

The revised calibration optimises:

• Ignition timing maps.
• Fuel delivery.
• Full-load enrichment.
• Part-throttle performance.
• Throttle response.
• Idle stability.
• Torque delivery.
• Deceleration characteristics.

Every aspect of the Motronic programme has been refined through extensive chassis dyno testing and real-world driving to extract previously untapped performance from the Carrera 3.2 engine.

Noticeably Improved Performance

The improvements extend far beyond peak horsepower.

Typical performance gains include:

• 6-8% increase in horsepower and torque throughout the powerband.
• Approximately 12-16 bhp increase on standard engines.
• Around 20 lb-ft increase in torque across much of the rev range.
• 10-20% improvement in part-throttle torque and engine efficiency.
• Significant gains approaching the top of the rev range, with improvements of up to 25-35 bhp around 6,500rpm under certain operating conditions. Stronger pulling power from as little as 1,500rpm.
• Elimination of the familiar flat spot below 4,000rpm.
• Improved acceleration all the way to the rev limiter.

Vehicles fitted with polished intake runners, induction upgrades or sports exhaust systems may achieve even greater gains as the revised software fully supports the increased airflow available from these modifications.

Improved Everyday Drivability

Peak power figures tell only part of the story.

Owners consistently report:

• Smoother idle quality.
• Virtually eliminated idle hunting.
• Reduced RPM dip during deceleration.
• Reduced overrun popping and backfiring.
• Sharper throttle response.
• Stronger low-speed torque.
• Improved overtaking performance.
• More responsive acceleration in every gear.
• Greater flexibility during everyday driving.

The improved torque delivery gives the impression that the vehicle has become significantly lighter, making the Carrera feel far more responsive throughout the rev range.

Optimised for Standard or Sport Rear Silencers

Many Porsche 911 owners install sports rear silencers expecting additional power, but the original Motronic software continues to use conservative ignition and fuelling strategies.

This calibration has been specifically developed to complement:

• Standard Porsche rear silencers.
• Performance rear silencers.
• Improved exhaust flow. 

By optimising ignition timing and fuelling to suit these upgrades, the engine is able to realise significantly greater performance than exhaust modifications alone.

Improved Fuel Efficiency

Performance gains do not necessarily come at the expense of economy.

With optimised ignition timing and more efficient part-throttle calibration, many owners report motorway fuel economy improvements of approximately 10-15%, depending on vehicle condition, fuel quality and driving style.

1987 Model Owners – 24-Pin or 28-Pin?
1987 was a transitional production year, during which Porsche changed from a 24-pin EPROM to a 28-pin version.
If you own a 1987 model, the only reliable way to determine which chip your vehicle requires is to inspect the DME control unit.
The original EPROM is a black rectangular chip fitted with a factory foil label carrying a part number similar to: 1267355xxx

Simply count the number of legs (pins):
24 pins – Order the 24-pin version.
28 pins – This product is correct.

Please refer to the chip installation guide before ordering if you are unsure which version your vehicle uses.

Benefits

Installing this OE Match Performance Upgrade Chip provides:

• Increased horsepower and torque.
• Sharper throttle response.
• Stronger acceleration.
• Improved low-speed flexibility.
• Smoother idle.
• Reduced hesitation and flat spots.
• Better compatibility with sports exhaust systems.
• Improved motorway fuel economy potential.
• Enhanced everyday drivability.
• Outstanding performance per pound invested.

Installation Recommendations

Professional installation is recommended.

Before fitting the Performance Upgrade Chip, Design911 recommends checking:

• Correct 28-pin DME compatibility.
• Ignition components.
• Spark plugs.
• Distributor cap and rotor arm.
• Fuel injectors.
• Fuel pressure.
• Airflow meter operation.
• Vacuum hoses for leaks.
• Valve clearances.
• General engine service condition.

Selecting the appropriate calibration for your fuel grade and engine specification will ensure optimum performance and long-term reliability.

OE Match Performance Upgrade Chip 28-Pin - Euro Spec with SSI or Race/Performance Headers

Transform the performance, throttle response and everyday drivability of your 1987-1989 Euro specification Porsche 911 Carrera 3.2 with this OE Match 28-pin Performance Upgrade Chip, developed specifically for cars fitted with SSI heat exchangers or race/performance headers.

 Fits:

• Porsche 911 1987-1989 3.2L G50  

This dedicated Bosch Motronic DME calibration is designed to complement the improved exhaust flow created by SSI systems, tubular manifolds and high-performance headers. Rather than relying on a generic one-size-fits-all programme, the software is matched to the engine specification, exhaust configuration and selected fuel grade.

The revised calibration delivers stronger low and mid-range torque, sharper throttle response, smoother idle quality and more usable power throughout the rev range. The familiar delay below 4,000rpm is substantially reduced, allowing the engine to respond from as low as approximately 1,500rpm and pull more strongly towards the rev limit.

For owners who have already invested in SSI heat exchangers or performance headers, this chip helps ensure the hardware upgrade is supported by appropriate ignition and fuel mapping.

1987 Model Owners – How Do I Know Whether I Have a 24-Pin or 28-Pin Chip?
The 1987 model year was a transitional period during which Porsche changed from a 24-pin EPROM to a 28-pin EPROM.
The vehicle model year alone is therefore not enough to confirm which chip is fitted.
The only reliable way to identify the correct version is to open the DME control unit and inspect the existing EPROM.

The original chip is typically:

• Black and rectangular
• Fitted with a factory matte foil sticker
• Marked with a sequence similar to 1267355xxx

Count the chip legs:

• 24 pins: order the 24-pin version
• 28 pins: this product is correct

Always confirm the pin count before ordering. Refer to the chip installation instructions for guidance on opening the DME, identifying the EPROM and safely installing the replacement chip.

Specifically Developed for 1987-1989 Euro 28-Pin DME Cars

This Performance Upgrade Chip is intended for:

• Porsche 911 Carrera 3.2 models from 1987 to 1989 Euro and Rest of World specification engines
• Bosch Motronic DME systems with a 28-pin EPROM
• SSI heat exchangers
• Race headers
• Performance exhaust manifolds
• Tubular exhaust headers
• Standard or performance rear silencers
• Standard or mildly modified engines

The default Euro/ROW calibration is programmed for 95 RON premium unleaded fuel.

A dedicated 98 RON programme is also available for owners who consistently use higher-octane fuel and want the fuel and ignition maps optimised accordingly.

What Does the Performance Upgrade Chip Do?

The chip replaces the original EPROM programme inside the Bosch Motronic DME and changes the engine-management calibration to better suit the improved airflow created by SSI or performance manifolds.

The revised software optimises:

• Ignition timing
• Full-throttle fuelling
• Part-throttle fuelling
• Low-rpm torque delivery
• Mid-range acceleration
• High-rpm power
• Throttle response
• Idle control
• Deceleration behaviour
• Exhaust-system compatibility

The original Porsche programme was developed around the factory exhaust system and conservative worldwide operating requirements. Once SSI heat exchangers or freer-flowing headers are fitted, the engine can move more air, but the standard software cannot fully optimise that increased flow.

This dedicated calibration helps provide the fuel and ignition strategy required to make better use of the exhaust upgrade.

Developed from the Ground Up

This is not simply a factory programme with a small number of values altered.

The software was developed through hundreds of hours of coding revisions, road testing and dynamometer evaluation on more than one hundred Porsche Carrera 3.2 models. This extensive development process identified areas of performance, responsiveness and efficiency that can remain restricted by the original calibration.

A wide range of programmes allows the chip to be matched to:

• Euro/ROW engine specification
• SSI or performance header configuration
• Rear silencer type
• Fuel octane
• Intake modifications
• Additional engine upgrades
• Owner preferences

This tailored approach helps deliver more appropriate fuelling and ignition control than a universal aftermarket chip.

Stronger Low and Mid-Range Torque

One of the most noticeable improvements is the increase in usable torque at low and medium engine speeds.

Power delivery begins from approximately 1,500rpm, reducing the delay commonly experienced below 4,000rpm. This makes the Carrera more responsive during normal road use while also improving corner-exit acceleration during fast-road, track and autocross driving.

Typical improvements include:

• Stronger acceleration from low rpm
• Greater mid-range pulling power
• Faster response to throttle inputs
• Reduced hesitation below 4,000rpm
• Improved overtaking performance
• Greater flexibility in higher gears
• Stronger acceleration out of corners
• More precise low-rpm throttle control

The broader torque delivery can make the car feel significantly lighter and more immediate without changing the essential character of the air-cooled flat-six.

Smoother Idle and Improved Drivability

The proprietary calibration also targets several common Carrera 3.2 drivability characteristics.

It can help reduce:

• Idle hunting
• Sub-idle rpm dipping during deceleration
• Hesitation when returning to idle
• Deceleration backfiring
• Uneven part-throttle response
• Low-speed flat spots
• Delayed response during acceleration

The result is a smoother transition between idle, part throttle and full load, making the engine more refined during everyday use and more predictable during performance driving.

Expected Performance Gains

Typical claimed improvements include:

• Approximately 6-8% increase in horsepower and torque throughout the powerband
• Around 12-16hp on otherwise standard engines
• Approximately 20 lb-ft of additional torque through areas of the rev range
• Around 10-20% improvement in part-throttle torque, horsepower and engine efficiency
• Stronger power delivery from approximately 1,500rpm to the rev limit
• Potentially greater gains on engines with SSI systems, performance headers, polished intake runners and other airflow upgrades
• Up to approximately 20hp on suitably modified engines

In some areas near the upper end of the rev range, particularly around 6,500rpm, gains may be considerably higher than the peak-to-peak figure because the revised calibration can reduce the power drop-off associated with the factory programme.

Actual results will vary according to engine condition, exhaust design, rear silencer, intake specification, fuel quality, ambient conditions and dynamometer method.

Why SSI and Performance Headers Need Matching Software

SSI heat exchangers and race/performance headers improve exhaust gas flow by reducing restriction and improving scavenging. However, the original Motronic DME remains calibrated for the factory exhaust system.

At full throttle, the DME operates primarily from pre-programmed ignition and fuel maps. It cannot automatically make full use of significant exhaust and induction modifications.

A matched performance chip helps by:

• Supporting increased exhaust flow
• Providing appropriate full-load fuelling
• Optimising ignition timing
• Improving throttle response
• Strengthening high-rpm power
• Increasing low and mid-range torque
• Reducing the restrictions of the factory calibration
• Maximising the benefit of SSI or performance header installation

Without corresponding software changes, the full performance value of upgraded manifolds may not be realised.

Potential Fuel Economy Improvement

Although this chip is primarily intended to improve performance, the revised part-throttle and ignition calibration may also increase cruising efficiency.

Many customers report highway fuel economy improvements of approximately 10-15%, depending on vehicle condition, fuel quality, driving style and operating conditions.

These figures are customer-reported and are not guaranteed, as fuel consumption will vary between vehicles and drivers.

Installation and Ordering Recommendations

Professional installation is recommended.

Before ordering, confirm:

• The vehicle is a 1987-1989 Euro/ROW Porsche 911 Carrera 3.2
• The DME uses a 28-pin EPROM
• The car is fitted with SSI heat exchangers or race/performance headers
• The rear silencer and induction setup are correctly specified
• The required programme is for 95 RON or 98 RON fuel
• Any additional engine modifications are declared