Special Note: BMW tool #13 0 150 required for installation. Stage 5 Engine Software, Cold Air Intake, High Flow Air Mass Meters, Exhaust and Header system recommended for optimum performance and drivability.
The M5 stock throttle bodies have each been carefully bored to a larger internal diameter for futher improvement of air-flow and immediate throttle response. The factory velocity stacks are also replaced with larger diameter spun aluminum units that have been carefully shaped and sized for optimum performance throughout the engine's operating range.
*Dyno results for Stage 5 Engine Software, Cold Air Intake, High Flow Air Mass Meters, Exhaust, Header System; and Throttle Bodies.