Dinan Stage 3 Performance Engine Software - 2006-2010 BMW 550i/650i


Part # D903-5053 Be the first to write a review
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Stage 3 Performance Engine Software has been designed specifically for use with Dinan's High Flow Intake and Throttle Body optimizing performance and drivability. The programming includes a 200 RPM increase of the rev-limit for manual and SMG cars and a 100 RPM increase for automatics. The top speed governor is also removed.


  • More Power (with intake and throttle body): Max gains of +28 HP and +23 lb-ft TRQ
  • 50 State Emissions legal; CARB EO # D-176-37
  • 200 RPM rev-limit increase (Manual/SMG); 100 RPM rev-limit increase (Automatics)
  • Improved throttle response
  • Top speed governor removed
  • Smooth and predictable power delivery
Dinan Point Value3
Emission Code1
Factory Rated HP360
Factory Rated Torque (lb-ft)360
Labor Time (Hours)0.5
Max HP Gain28
Max Torque (lb-ft) Gain23
Product TypeEngine Software
Required ItemsDinan Cold Air Intake (D760-0012) and Throttle Body (D760-3650A)
Part NumberD903-5053

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
Dinan High Flow Cold Air Intake and Throttle Body are required in order to run the Stage 3 Performance Engine Software.

    *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.