The resulting increase in air flow provides more horsepower and torque throughout the rpm range with noticeably quicker throttle response.
Dinan's High Flow Throttle Body improves intake air flow for additional horsepower and torque gains. The internal diameter of the stock 525 throttle body is bored larger for a 9% increase in air flow area.
*Dyno results for the combination of Stage 3 Performance Engine Software, High Flow Cold Air Intake, Free Flow Exhaust and Throttle Body."
Not applicable to 525i (E60) 2006 - 2007.