One of the easiest and best ways to upgrade the breathing abilities of the S55/S63 FX M cars is with a pair of performance panel filters.
- Increased engine performance
- Improved induction noise
- Designed to be used with the OE air filter housing
- Easily fitted and completely washable.
- Once fitted this product will last the lifetime of your engine
Fits M2C/M3 and M4 models.