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D903-34M4 - Dinan Stage 4 Performance Engine Software - 2001-2006 BMW M3 Image
Dinan

Dinan Stage 4 Performance Engine Software - 2001-2006 BMW M3

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E46

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Dinan Stage 4 Performance Engine Software - 2001-2006 BMW M3

Suggested Retail
$298.95
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Stage 4 Engine Software is for use with the Free Flow Exhaust, High Flow Cold Air Intake/Air Mass Meter Assembly and High Flow Throttle Bodies, ensuring optimum performance and drivability. Dinan Engine Software safely raises the rev-limit by 150 rpm, endowing your M3 with a broader power band and greater road speed in each gear. The software also removes the top speed governor, enabling the cars to attain their ''natural'' top speed. The software also speeds up throttle response in the ''standard'' mode and provides for more controlled throttle modulation in the ''sport'' mode.

Features:

  • More Power (with exhaust, intake/air mass meter assembly and throttle bodies): Max gains of +28 HP and +20 lb-ft TRQ
  • 50 State Emissions legal; CARB EO # D-176-35
  • 150 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 HP333
Factory Rated Torque (lb-ft)262
Install MethodDealer
Labor Time (Hours)0.5
Max HP Gain28
Max Torque (lb-ft) Gain20
Product TypeEngine Software
Required ItemsDinan Free Flow Exhaust (D660-4604), Cold Air Intake/Air Mass Meter Assembly (NLA) and Throttle Bodies (D760-3400)
Stage4
WarrantyLimited Lifetime Warranty
Weight6
Part NumberD903-34M4
1

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 Free Flow Exhaust, High Flow Cold Air Intake/Air Mass Meter Assembly and High Flow Throttle Bodies are required in order to run the Stage 4 Performance Engine Software.
Limited Lifetime Warranty: See Details

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