High performance drop-in replacement for the factory air filter; fits BMW F90 M5 factory airbox for improved airflow and performance. FEATURES: Fits all BMW M3 / M4 (G80 / G82) vehicles (2020+) 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 Sold as a Pair NOTE: It is recommended that you service your BMC Air Filter every 15,000 miles/25,000 km's - Don't forget to add a BMC Air Filter Cleaning Kit to your order.