K&N Bmw E90 6cylinder

K&N’s lifetime replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration.

These filters are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. Simply remove the disposable air filter and replace it with a K&N; there is NEVER any cutting or fitting required. Our stock replacement air filters for street vehicles are covered by the famous K&N Million-Mile Limited Warranty and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED

E-2022 Product Specifications
Product Style: Round Air Filter
Height: 5.331 in (135 mm)
Inner Wire: No
Inside Diameter: 6.811 in (173 mm)
Outside Diameter: 6.906 in (175 mm)
Top Style: Rubber