BMW E46 M3 CSL Replacement Panel Air Filter
Genuine BMW air filter for the M3 CSL and S54 cars with CSL airboxes installed. These filters are made to BMW specs by BMC Air Filter and come pre-oiled and sealed.
BMC Air Filter is one of the most renown brands in the motorcycle and automotive industries. Based in Bologna, Italy, BMC is now an international company with branches in Germany, China and India, along with over 94 distributors all over the world. BMC produces the world's best quality air filters for racing, street use and composite parts.