K&N Round Air Filter Assembly (60-1430) M3 Competition The 62-1520 crankcase vent filter

The 62-1520 crankcase vent filter has a K&N embossed chrome top

Please note: The Pipercross filter is excluded from the Forge lifetime warranty

We started by adding the means of adjustment

This can equate to an increase in BHP and torque

K&N Round Air Filter Assembly (60-1430) M3 Competition The 62-1520 crankcase vent filterK&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round element air cleaner housing. They incorporate our famous K&N Air Filters and provide more air flow than other assemblies of this type. Available in 4 different designs, the perfect assembly is sure to be