The BMC panel air filter for Alpina B3 III 3.0 Biturbo (2008–2009) is a direct replacement panel element designed to match original intake dimensions and restore filtration and airflow. It installs in the factory housing for straightforward service and replaces the worn factory filter to help preserve engine breathing and guard against contaminants entering the intake tract.
BMC 08-09 Alpina B3 III 3.0 Biturbo Replacement Panel Air Filter