How often should I clean and re-oil my K&N air filter?

Under normal driving conditions, K&N recommends cleaning and re-oiling your filter every 50,000 miles. If you drive in dusty or off-road conditions, you may need to service your filter more frequently.

Does this filter come pre-oiled?

Yes, this K&N air filter comes pre-oiled and ready to install. You do not need to oil it before its initial use. Be sure to properly clean and re-oil the filter after the initial use.

What kind of warranty does this K&N filter have?

This K&N air filter is backed by K&N's 10-Year/Million Mile Limited Warranty. This covers defects in materials and workmanship for the life of the filter, assuming it is properly installed and maintained.

K&N 33-2488 Air Filter for BMW M5/M6/M4/M3

Name: K&N Replacement Air Filter for 11-14 BMW M5/M6 4.4L V8 / 2015 M4/M3 3.0L I6 (2 per box)
Brand: K&N
Price: 157.99 USD
Availability: InStock

K&N Replacement Air Filter for 11-14 BMW M5/M6 4.4L V8 / 2015 M4/M3 3.0L I6 (2 per box)

$157.99

Only 5 left in stock

More airflow means better performance. This K&N filter drops right into your factory airbox.

Key Features

Washable — clean and re-oil for extended use
Reusable — lasts longer than a paper filter
Increased airflow — expect improved performance
Direct drop-in replacement — installs easily in the factory air box
Oiled cotton gauze — superior 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

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Product Details

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!