The K&N drop-in High-Flow air filter kit for BMW X5 4.8L V8 applications (listed for 2007–2010) is a washable, reusable replacement designed to improve airflow and engine protection. K&N's layered, oiled cotton media aims to increase horsepower, fits into the factory air box and is backed by a no-hassle lifetime limited warranty; this listing includes two filters per box where specified.
K&N 08 BMW X5 4.8L-V8 Drop In Air Filter