Keep your motor’s lungs fed with clean, energy-rich oxygen from the “the world’s best air filter”—K&N Air Filters. Constructed from pleated sheets of oiled cotton gauze, these air filters strip away grime without blocking airflow. Fully reusable. Million Mile Limited Warranty.
Say goodbye to the days of re-oiling your reusable performance filter—innovative aFe Pro-Dry S Air Filters boast a 100% oil-free cotton gauze construction for wicked airflow. Easy to clean and reuse. The Pro-Dry S Air Filter is backed by a Lifetime Warranty.
When you equip your engine bay with an aFe Air Filter, you’ll never need another performance air filter in your ride’s life. aFe expertly crafts your automotive air filter from high-quality cotton gauze to trap grime without blocking airflow. Cleanable and reusable. Lifetime Warranty.
Not sure which 2008 BMW 5-Series Air Filters - Custom Fit is right for you? We have over 14143 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"I have used K&N air filters in all of my vehicles since 1989. I find that they tend to smooth out the feel of the car or truck, provide slightly better fuel economy and just a bit better performance. What else could you ask for at these prices? HM" —Hal M from Knoxville, TN bought a K&N Air Filters for a 2008 BMW 5-Series, 535i, 3.0L 6-cyl. engine.
"When I installed this filter upon recommendation from a friend I didn't really expect the performance boost that was advertised. However I immediately noticesd an increase in pickup. Thanks K&N" —Ray M from Norwalk, CA bought a K&N Air Filters for a 2008 BMW 5-Series.