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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!
Technical Bulletin- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
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Year Make Model Submodel 2011-2013 BMW 135i Base 2013 BMW 135is Base 2011-2014 BMW 335i Base 2014 BMW 335i GT xDrive Base 2011-2014 BMW 335i xDrive Base 2013-2015 BMW X1 xDrive35i