Ramair Performance Foam Replacement Air Filter for BMW G30 520iUpgrade your BMWs breathing with the Ramair Performance Foam Replacement Air Filter for the G30 520i and other compatible G Series models. Designed as a direct replacement for the restrictive OEM paper filter, this high performance panel filter improves airflow, throttle response, and overall efficiency while providing superior dust filtration. Hand crafted using twin layer Aeriform foam and a stainless steel support cage, it delivers exceptional