Dinan High Flow Throttle Body for BMW X5 4.6is E53 2002-2003

Special Note: Dinan throttle body production is temporarily suspended as we repair necessary equipment needed for their production. Any order placed for throttle bodies will immediately be put into back order. Website will be updated once throttle body work goes back to active production.

Stage 3 Engine Software and Cold Air Intake Highly Recommended.

Dinan’s High Flow Throttle Bodies improve intake air flow for additional horsepower and torque gains. The internal diameter of the stock throttle body is bored larger increasing the air flow area. The resulting increase in air flow provides more horsepower and torque throughout the rpm range, with noticeably quicker throttle response.

Throttle body is 3mm larger for an 8% increase in airflow area.

Stock bore = 79.5mm ?Dinan bore = 82.5mm

*Dyno results for the combination of Stage 3 Engine software, High Flow Throttle Body and Free Flow Exhaust.

Dinan’s High Flow Throttle Bodies improve intake air flow for additional horsepower and torque gains.