BMW 135is Replacement Air Filters
Buy now from the K&N's Online Store and get a 100% money back guarantee on any BMW 135is air filter!
- Designed to Increase Horsepower and Acceleration
- High Air Flow with Excellent Filtration
- K&N Million Mile Limited Warranty®
- Lasts up to 50,000 Miles Before Cleaning is Required (Depending on Driving Conditions)
Buy a K&N air filter. Help your BMW 135is run better.