Not sure which 2005 BMW 3-Series Air Filters are right for you? We have over 12273 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've had K&N filters on my last 3 vehicles and have always seen an increase in performance and fuel efficiency. With today's prices for a gallon of gas, K&N filters help keep a few extra cents in your pocket! DavidFairfax, VA(17.9 MPG City before, 20.1 MPG after installation)" —David F from Fairfax, VA bought a K&N Air Filters for a 2005 BMW 3-Series.