Active Autowerke Rotrex C38 Generation 9.5 Level 1 Intercooled Kit - E46 M3 BMW X Series F98 (2019+) X4 M Competition S58 3.0L the difference in sound with

the difference in sound with this mid pipe will be noticeable the first time with an open throttle

8+ gallon reservoir with inline filter and low pickup tube

this ring is for you

Have that person that is hard to buy for

consumers are ensured piece of mind knowing they can trust a company that continues to support systems that are 10+ years old

Active Autowerke Rotrex C38 Generation 9.5 Level 1 Intercooled Kit - E46 M3 BMW X Series F98 (2019+) X4 M Competition S58 3.0L the difference in sound withWhen you thought it could not get any better, and after 10 yrs. of the #1 selling E46 M3 SC kit, Active Autowerke is proud to announce there new Generation 9. 5 SC kit. Active Autowerke is always looking for improvement, so it is no surprise that Active Autowerke has developed the 9th Generation E46 M3 SC Kit. Reliability and power is needed if you want to be on the podium, and this new Generation 9 will deliver exactly that. Consistent, repeatable