Upgrade your BMW’s diesel intake system with the Ramair Performance Foam Replacement Air Filter, designed to replace the restrictive OEM paper filter. Engineered using Ramair’s unique twin-layer Aeriform foam and reinforced with a stainless steel cage, this filter enhances airflow, sharpens throttle response, and provides superior long-term engine protection.
Unlike disposable paper filters, this Ramair filter is fully reusable and easy to clean with the CK-003 maintenance kit, ensuring consistent performance mile after mile. With a precision-moulded polymer surround for a secure fit, it installs directly into the OEM airbox without modification. Hand-made in the UK and backed by a lifetime guarantee, it’s the ideal upgrade for BMW owners running the legendary M57 and N57 3.0 diesel engines.
Key Features
High-performance twin-layer Aeriform foam construction
Improves airflow and throttle response vs OEM paper filter
