K&N BMW Replacement Air Filter - 5.875in O/S L x 3.5in O/S W x 1.25in H

This is the K&N BM-1204 replacement air filter, designed to fit a variety of BMW motorcycle models. It's a washable and reusable filter that uses layered, oiled cotton media to help improve airflow into your engine while still capturing contaminants. The goal here is to get more air into the engine, which can lead to a small increase in horsepower and torque.

K&N builds these filters to last for the life of your vehicle, and they come pre-oiled and ready to install right into your factory air box. The pleated media offers a large surface area for filtration, meaning you can go longer between cleanings. This filter is a solid option if you're looking to get a bit more out of your BMW's engine and want a filter that you can clean and reuse for years to come.

K&N backs this filter with their No-Hassle Lifetime Limited Warranty, and it's made in the USA. It's a direct fit replacement, so installation should be straightforward, just be sure to refer to your bike's service manual for the specific procedure.