OEM Air Filter, Mahle - E82 135i, E9X 335i/335xi, E60 535i/535xi, E89 Z4 35i/35is

Since the quality of the intake air has a direct affect on performance and efficiency it just makes sense to have a clean air filter. Clogged and dirty filters will prevent good airflow to the engine and the engine computer has no choice but to compensate. To help keep your engine running at its optimum best, always replace or clean your air filter once a year.

This is the OEM air filter for the N54 engine and the stock air box in the E82 135i, E90 E92 E93 335i/335xi, E60 535i/535xi, and E89 Z4 35i/35is. This filter is made by Mahle, an original supplier to BMW for the original air filter, as well as many other filters on your BMW. It has a two year warranty against defects.