The BMC panel air filter for 2013 and later Alpina B3 (F30/F31) 3.0 Biturbo applications is a direct-fit replacement element that restores proper intake filtration and airflow. It installs into the original airbox for simple servicing and is intended to help protect the engine from particulates while maintaining consistent breathing characteristics during normal operation.
BMC 2013+ Alpina B3 (F30/F31) 3.0 Biturbo Replacement Panel Air Filter