The BMC panel air filter for 2011 and later BMW 5 Series (F10/F11/F18) 520i is a direct-fit replacement panel element that restores correct airflow and filtration in the factory intake. It installs into the stock housing without modification and provides the practical function of protecting the engine from particulates while supporting normal performance and service intervals.
BMC 2011+ BMW 5 (F10/F11/F18) 520i Replacement Panel Air Filter