Dinan Stage 2 Performance Engine Chip - 1988-1991 BMW M3


Part # D903-2322 Be the first to write a review
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The Stage 2 engine chip for the E30 M3 is designed to work in conjunction with the High Performance Cam Sprocket optimizing performance and drivability. Dinan Performance Chips take full advantage of 91+ octane fuel unleashing additional power by recalibrating the ignition timing and air/fuel mixture parameters of the engine management system. Furthermore, the performance software safely raises the factory rev-limit, providing a broader power band and greater road-speed potential in each gear. Significant power gains are achieved at part throttle as well providing additional peformance where the cars are driven most often.


  • More Power (with Cam Sprocket): Max gains of +25 HP @ 6000 RPM and +26 lb-ft TRQ @ 6000 RPM
  • Raing product only. Not Emissions legal.
  • Rev-limit increased
  • Improved throttle response
  • Smooth and predictable power delivery
Brand Dinan
Dinan Point Value3
Emission Code4
Factory Rated HP187
Factory Rated Torque (lb-ft)176
Labor Time (Hours)0.5
Max HP Gain25 @ 6000 RPM
Max Torque (lb-ft) Gain26 @ 6000 RPM
Peak HP202 @ 6000 RPM
Peak HP Gain15 @ 6500 RPM
Peak Torque (lb-ft)190 @ 5000 RPM
Peak Torque (lb-ft) Gain14 @ 5000 RPM
Product TypeEngine Software
Required ItemsDinan Cam Sprocket (NLA)
Part NumberD903-2322

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Dinan Cam Sprocket is required in order to run the Stage 2 Performance Engine Chip.

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.