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Dinan Stage 3 Performance Engine Software - 1996-1999 BMW M3


Part # D903-32M2T Be the first to write a review

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Stage 3 Engine Software is for use with the High Flow Cold Air Intake and Throttle Body, ensuring optimum performance and drivability. Dinan Performance Engine Software unleashes more power from your BMW E36 M3 by re-programming the fuel mixture and ignition timing parameters of the engine management system. Furthermore, the software safely raises the rev-limit, giving your BMW a broader power band and greater road speed potential in each gear. Significant gains are also achieved at part throttle, making extra power available where you spend the bulk of the time driving. The top speed governor has also been eliminated, enabling the vehicle to achieve it's 'natural' top speed.


  • More Power (with intake and throttle body): Max gains of +31 HP and +26 lb-ft TRQ
  • 50 State Emissions legal; CARB EO # D-176-13
  • 200 RPM rev-limit increase
  • Improved throttle response
  • Top speed governor removed
  • Smooth and predictable power delivery

About Dinan

Dinan knows European marques – quite literally – from the inside out. Whether you need hard parts such as exhaust systems or coilovers, or ECU upgrades to unlock your engine's potential, Dinan has the parts to take your BMW, Mercedes-Benz, or Mini to the next level.

Brand Dinan
Dinan Point Value3
Emission Code1
Factory Rated HP240
Factory Rated Torque (lb-ft)239
Labor Time (Hours)0.5
Max HP Gain31
Max Torque (lb-ft) Gain26
Product TypeEngine Software
Required ItemsDinan Cold Air Intake (D760-0321A) and Throttle Body (D760-3200)
Part NumberD903-32M2T

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Not compatible with the M3 (E36) from 1995. Dinan Cold Air Intake System and Throttle Body are required in order to run the Stage 3 Performance Engine Software.

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