Direct-fit performance air filter for BMWs with S55 (M2 F87, M3 F80/F82, M4 F82/F83) or S63 (M5 F10, M6 F12/F13) engines. Drops straight into the factory airbox - no mods, no fuss.
High-flow synthetic nanofibre media: better airflow and filtration than OEM paper
Reusable - clean with RamAir CK-003 kit and refit
Injection-moulded frame prevents rattles on fast road or track day use
No power gain claims, but supports consistent breathing for stage 1 or stage 2 setups
