BMW Air Pump Check Valve - Genuine BMW 11727837096

Ensure optimal emissions control and engine performance with this **Genuine BMW Air Pump Check Valve** (Part No. 11727837096, OE Number: 11727837096).

This vital component of your vehicle's Secondary Air Injection System is specifically designed for cylinders 1-5 (and the right side on some 2010 models). It prevents harmful exhaust gases from flowing back into the air pump, which is crucial for maintaining proper emissions levels and preventing diagnostic trouble codes.

Engineered to BMW's rigorous standards, this authentic part guarantees a perfect fit, reliable operation, and long-lasting durability. It is a direct replacement for your original check valve, ensuring your BMW M5 (2006-2010) or M6 (2006-2010) with the 5.0L V10 S85B50A engine continues to perform as intended. Trust in genuine BMW quality for your high-performance vehicle.