Dinan High Flow Throttle Body - 2001-2006 BMW 325i/525i/X3/Z3/Z4


PART# D760-3250A

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Dinan's High Flow Throttle Body improves intake airflow for additional horsepower and torque gains. The internal diameter of the stock throttle body is bored larger for a 13% increase in airflow area. The resulting increase in airflow provides more horsepower and torque throughout the RPM range with noticeably quicker throttle response.


  • More Power: + 5 HP @ 6500 RPM, + 4 LB-FT @ 6500 RPM (coupled w/ engine software)
  • Improved throttle response
  • Bored 4mm larger for a 13% increase in air flow area


Dinan Point Value2
Emission Code1
Labor Time (Hours)1.5
Max HP Gain5 @ 6500 RPM
Max Torque (lb-ft) Gain4 @ 6500 RPM
Product TypeThrottle Body
Part NumberD760-3250A



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

Tech Resources

Not compatible with the 525i (E60) from 2006-2007. Stage 3 Engine Software recommended for optimum performance and drivability.



    *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.