The BMC panel air filter for 2010 and later Alpina B3 III 3.0L is a replacement panel element designed to restore clean intake airflow and protect the engine from particulates. Supplied as the correct replacement for the factory panel in that application, it allows standard airbox service without modification. Replace it per maintenance intervals to keep filtration consistent and support engine health.
BMC 2010+ Alpina B3 III 3.0L Replacement Panel Air Filter