K&N BMW Drop In Air Filter - 33-2231

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!
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
1999	BMW	318ti	Base
2000	BMW	323Ci	Base
1999-2000	BMW	323i	Base
2001-2006	BMW	325Ci	Base
2001-2005	BMW	325i	Base
2001-2005	BMW	325xi	Base
2000	BMW	328Ci	Base
2000	BMW	328i	Base
2001-2006	BMW	330Ci	Base
2001-2005	BMW	330i	Base
2001-2005	BMW	330xi	Base
2001-2006	BMW	M3	Base
2004-2005	BMW	X3	2.5i
2004-2006	BMW	X3	3.0i