How often should I clean my K&N air filter?

K&N recommends cleaning and re-oiling your filter every 50,000 miles for normal highway use. If you drive in dusty conditions, you may need to clean it more often.

Do I need to oil this filter?

Yes, this K&N air filter uses a specially formulated oil to help trap dirt and contaminants. A K&N filter cleaning kit is recommended to properly clean and re-oil your filter.

What is the warranty on this air filter?

K&N warrants its air filters to be free from defects in material and workmanship for 10 years or 1,000,000 miles. This warranty applies when the filter is properly installed and maintained.

K&N 06-09 BMW 135/335/535 Drop In Air Filter

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K&N Engineering

K&N 06-09 BMW 135/335/535 Drop In Air Filter

Name: K&N 06-09 BMW 135/335/535 Drop In Air Filter
Brand: K&N Engineering
Price: 68.99 USD
Availability: InStock

$68.99

Washable and reusable air filter. Drops right into the factory air box for improved airflow.

Key Features

Washable and reusable — save money on replacement filters
Designed to increase horsepower — get better performance
Drop-in replacement — installs easily into the factory air box
Oiled cotton gauze media — allows for high airflow with excellent filtration

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Will this fit your vehicle?

Compatible with 29 vehicles

Need Help?

631-982-0042

Fast Shipping

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Since 1957

Family-owned

Product Details

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.
BMW 335I L6-3.0L F/I; 2006-2010

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!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!