RamAir Universal Foam Cone Filter - 90mm Inlet F21 125i 10-position damping adjustment using a

10-position damping adjustment using a single clicker that alters rebound and compression together

and software

smoother control over rough surfaces and a premium ride that outperforms stock adaptive damping

and the feedback is consistently outstanding

Suitable for vehicles using the factory water-to-air chargecooler system

RamAir Universal Foam Cone Filter - 90mm Inlet F21 125i 10-position damping adjustment using aThis filter is Universal, Please ensure you check the size is appropriate to yourself Prior to ordering, Just because this is in your vehicle catergory does not mean it will definitely fit This filter has a rubber polymer base and a cone shaped filter element, it has a spun aluminium base that acts as a velocity stack smoothing the air flowing into the intake hose, reducing turbulence, allowing maximum potential flow. These filters are cone shaped