Blackboost Billet Oil Filter Cap for M157 Engines
The Blackboost Billet Oil Filter Cap is the ultimate upgrade for M156 and M159 engines, designed as a superior replacement for the plastic OEM cap. Built for durability and enhanced functionality, this cap combines premium materials with sleek aesthetics.
Key Features:
- Enhanced Materials: Upgraded FKM O-ring included for superior heat and chemical resistance compared to standard O-rings.
- Premium Construction: CNC-machined from high-quality 6061 aluminum for precision and strength.
- Sleek Design: Anodized black finish for a clean, professional look under the hood.
- Perfect Fit: Direct replacement/bolt-in design for M157 Biturbo engines, ensuring hassle-free installation.
- Optimized Accessibility: Lower-profile threads make oil filter changes easier.
Upgrade your engine’s performance and style with the Blackboost Billet Oil Filter Cap—engineered to perform and built to last.











