K&N Round Tapered Universal Air Filter 6 inch Flange 7 1/2 inch Base 5 inch Top 7 1/2 inch Height - RF-1041 Fans & Shrouds These M12x1

These M12x1

No returns will be offered due to noise from suspension if client opts for pillowball upper mounts

and fittings required for installation included

If you're looking to regain control of your M5's soundtrack

K&N Round Tapered Universal Air Filter 6 inch Flange 7 1/2 inch Base 5 inch Top 7 1/2 inch Height - RF-1041 Fans & Shrouds These M12x1K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure