K&N’s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. They make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into the existing factory air box. Their drop-in design means adding performance is simple.
Covered by the famous K&N Million-Mile Limited Warranty™ and will be THE
LAST AIR FILTER YOUR VEHICLE WILL EVER NEED Specifically designed for the BMW
Installation is simple - remove the stock paper filter and put this filter in it's place.