BMW M3 E46 XperTune Performance Software 957 Turbo / Turbo S (2008-2010) This means that you can

This means that you can use the shift knob that is already in your vehicle

I noticed that you offer two spring options

The patented RENNKRAFT® design allows you to easily swap between running a catalytic converter to stop smells and keep the environment clean or install the cat bypass pipe for racing use

Not compatible with the standard exhaust at the moment - Coming Soon

BMW M3 E46 XperTune Performance Software 957 Turbo / Turbo S (2008-2010) This means that you canHP: +22 TQ: +16 Achieve maximum power from the BMW M3 3. 2L straight six engine without sacrificing drivability or reliability by optimizing the engine's performance. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you need to remove your ECU and mail it in for a tune. The Handheld device interfaces with the OBD II port on your vehicle and your computer