One of the easiest and best ways to upgrade your B58 powered M140i | M240i engine's breathing abilities is with a replacement performance panel air filter. This drop-in panel filter is a great and cost-effective way to help the B58 engine breath.
The MMR Performance panel filter for the B58 doesn't have to be replaced at every service interval as the item can be cleaned and re-oiled.
- Increased engine performance
- Improved induction noise
- Designed to be used with the OE air filter housing
- Available either lightly oiled, or with a dry filter material
- Easily fitted and completely washable.
- Once fitted this product will last the lifetime of your engine