Take your BMW to the next level with the Ramair PPF-9774 high-performance panel air filter, developed specifically for the BMW B58 M440i (G22/G23/G26) platform.

Engineered as a direct replacement for the restrictive OEM paper filter, this high-flow performance upgrade delivers improved airflow, enhanced throttle response, and optimized engine efficiency. Perfect for both stock and tuned B58 setups, it’s a simple yet effective modification that unlocks additional performance without compromising reliability.

Key Features

• High-flow synthetic nanofiber filtration media for maximum airflow and engine protection

• Direct OEM replacement – installs seamlessly into the factory airbox

• Washable and reusable design – long-term performance with reduced maintenance costs

• Precision injection-molded frame for perfect fitment and airtight sealing

• Optimized filtration surface area using advanced polymer technology

How the Ramair PRORAM Filter Works

The Ramair PRORAM panel filter is designed to replace the factory air filter inside the OEM intake system. Its advanced pleated synthetic nanofiber construction increases filtration surface area, allowing significantly improved airflow while maintaining excellent filtration efficiency.

With over 35 years of motorsport expertise, Ramair has established itself as a leader in high-performance air filtration. PRORAM filters are built to perform under all conditions—whether on the road or under demanding performance driving.

Compatibility

• BMW M440i G22 Coupe (2020+)

• BMW M440i G23 Convertible (2020+)

• BMW M440i G26 Gran Coupe (2020+)