Dinan Stage 3 Performance Engine Software - 2004-2006 BMW X5


Part # D903-45X3 Be the first to write a review
Free Shipping
Suggested Retail
Find a Dealer
Stage 3 Engine Software is for use with the High Flow Cold Air Intake and Throttle Body, ensuring optimum performance and drivability. Performance Engine Software extracts additional power as well as improving drivabiltiy. The software safely raises the rev-limiter by 100 rpm, enabling you to carry more road speed in each gear, as well as optimize shift points. The top speed governor has been removed, enabling the cars to reach their natural top speed. Revised EML tuning provides improved drivability by speeding up throttle response.


  • More Power (with intake and throttle body): Max gains of +23 HP and +21 lb-ft TRQ
  • 50 State Emissions legal; CARB EO # D-176-35
  • 100 RPM rev-limit increase
  • Improved throttle response
  • Top speed governor removed
  • Smooth and predictable power delivery
Brand Dinan
Dinan Point Value3
Emission Code1
Factory Rated HP315
Factory Rated Torque (lb-ft)324
Labor Time (Hours)0.5
Max HP Gain23
Max Torque (lb-ft) Gain21
Product TypeEngine Software
Required ItemsDinan Cold Air Intake (NLA) and Throttle Body (D760-3600A)
Part NumberD903-45X3

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 X5 4.4i (E53) from 2000-2003. Dinan High Flow Cold Air Intake and Throttle Body are required in order to run the Stage 3 Performance Engine Software.

    Your Review

    *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.