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
1990-1994	Audi	V8 Quattro	Base
1988-1993	BMW	535i	Base
1988-1992	BMW	735i	Base
1988-1992	BMW	735iL	Base