Pay in 4 interest-free payments of $199.88 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Pay in 4 interest-free payments of $199.88 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Kit Includes:
an independent lab in Ohio
By modifying ignition timing and throttle mapping
N55 vehicles
Active Autowerke F8x Bmw M3 & M4 Equal Length Mid Pipe twin turbo BOV Kit Includes:WE ARE RECOMMENDING TO OWNERS OF CARS WITH AFTER MARKET DOWNPIPES TO USE THE RESONATED VERSION BUT WE HAVE ONLY TESTED WITH THE STOCK REAR EXHAUST AND ACTIVE MAAD MAXX EXHAUST. WITH STOCK DOWNPIPES, THERE IS MINIMAL RASP. WE DO NOT GUARANTEE RESULTS WITH OTHER MAKES OF REAR EXHAUSTS. ORDERS ARE ALL MADE TO ORDER Active Autowerke has been an industry leader in engineering high quality BMW performance products for over 41 years. Dedicated to improving