From Fabspeed these are their high performance drop-in replacement filters for the factory air box. Fits OEM air boxes for improved airflow and performance.
- Fits all USA BMW E90/92/93 M3 vehicles (2007-2013) (Fits USA cars only)
- Lifetime filter is washable and re-oilable
- Original equipment for the Ferrari Formula 1 Team and Ferrari GT race team, as well as Porsche Motorsports, Mercedes Benz F1 and GT race teams, and the AUDI Motorsports Team
- NOTE: Be sure to select the filter for the proper year range of your vehicle. The filter design for 2007-2009 E9X M3's is different than the design for the 2010-2013 E9X M3's.