K&N's top - notch washable cabin air filters are precisely engineered to fit directly into your factory air box. They offer outstanding protection against environmental contaminants and odor - causing particles. The thermally bonded high - flow synthetic material acts as a powerful shield, effectively trapping dust, pollen, mold, bacteria, fungi, and other pollutants. Its special pleating design significantly increases the surface area for capturing contaminants. Each filter is easy to install in your factory cabin air box and can be effortlessly washed and reinstalled whenever needed. You can buy with full confidence as it comes with K&N's 10 - Year/Million Mile Limited Warranty. This filter fits a wide range of BMW models including specific years of X5, X5 M, X6, X6 M, and Z3 (2000 - 2002 Z3 M Coupe and M Roadster).



















Using this K&N cabin air filter is a breeze. First, locate your factory cabin air box in your BMW. Open the air box carefully, remove the old filter, and then insert the new K&N filter. Make sure it fits snugly. As for maintenance, check the filter regularly. When it looks dirty, it's time to clean it. To clean, gently remove the filter from the air box. Wash it with mild soap and water, then let it dry completely before reinstalling. Remember, don't use harsh chemicals or abrasive materials as they may damage the filter. And always follow the vehicle's manual for any specific instructions regarding the cabin air box. With proper use and maintenance, this filter will serve you well for a long time.