CSF S55 Front Mount Heat Exchanger w/ Rock Guard - F80 M3 | F82 / F83 M4 | F87 M2C Finish:Black The Performance V1 side skirt

The Performance V1 side skirt extensions are designed to subtly enhance the profile of the F80 M3 and F82 F83 M4

The inverted S&B intake filters greatly increase flow in the mid to upper RPM range while introducing a more aggressive engine note

The time of compromises is over

full bolt on car during a 3rd gear pull which is why the VRSF HD is THE best option for your N55

which makes it a solid pick if you're running a lowered setup or just don't want to worry about scraping driveways and speed bumps

CSF S55 Front Mount Heat Exchanger w/ Rock Guard - F80 M3 | F82 / F83 M4 | F87 M2C Finish:Black The Performance V1 side skirtNOT FOR SALE IN CA. The front mount heat exchanger is what keeps the S55's charge cooling system honest. On these cars the intake air is cooled by coolant, and that coolant has to shed its heat at the front of the car before it cycles back through. When the factory heat exchanger runs short on capacity, coolant temps climb, intake temps follow, and the car heat soaks. Of the two main S55 cooling upgrades, the heat exchanger is widely considered the