Product Information

K&N Drop In Air Filter For BMW - 33-5144

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 No-Hassle Lifetime 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!

Product Features:

Reusable K&N Filter Saves You Money: Saves up to $125 vs. multiple disposable filters (based on MSRP of OE filters over 200,000 miles of highway driving)
Clean Once Every 5 Years: Requires cleaning every 75,000 miles under normal highway driving conditions (based on 15,000 miles/year)
Rugged Construction: Built with durable, premium materials and advanced construction methods to last a lifetime
Reduces Waste: Helps reduce the over 200 million disposable air filters and packaging that end up in landfills each year
Engineered Power: Designed to increase horsepower, acceleration, and overall engine performance
Easy Installation: Pre-oiled and ready to drop into your factory air box for quick, cost-effective performance gains
4 Layers of Protection: Features multiple layers of premium cotton gauze with a tacking agent to trap harmful contaminants
Ultimate Longevity: Covered by a no-hassle lifetime limited warranty (stock replacement filters; limitations apply)