K&N 10-12 BMW 135i/335i/335i XDrive/X1 35i 3.0L L6 (E90) Replacement Air Filter

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.

Fitment:
BMW 135i Base 2011
BMW 135i Base 2012
BMW 135i Base 2013
BMW 135is Base 2013
BMW 335i Base 2011
BMW 335i Base 2012
BMW 335i Base 2013
BMW 335i Base 2014
BMW 335i GT xDrive Base 2014
BMW 335i xDrive Base 2011
BMW 335i xDrive Base 2012
BMW 335i xDrive Base 2013
BMW 335i xDrive Base 2014
BMW X1 xDrive35i 2013
BMW X1 xDrive35i 2014
BMW X1 xDrive35i 2015