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


This Part Fits:

Year	Make	Model	Submodel
2007-2008	BMW	X3	3.0si
2009-2010	BMW	X3	xDrive30i
2006-2008	BMW	Z4	Coupe 3.0si
2006-2008	BMW	Z4	Roadster 3.0i
2006-2008	BMW	Z4	Roadster 3.0si
2009	BMW	Z4	sDrive30i
2009	BMW	Z4	sDrive35i