BMW Air Pump Check Valve - Genuine BMW 11727540472

Ensure the optimal performance and emission compliance of your BMW with this Genuine BMW Air Pump Check Valve (Part Number: 11727540472). This critical component functions as a Secondary Air Injection Pump Check Valve, essential for preventing exhaust gases from flowing backward into your secondary air injection pump. This protective role maintains the pump's integrity and supports the efficient operation of your vehicle's emissions system.

As a genuine BMW part, it guarantees a precise fit, exceptional durability, and adherence to original factory specifications, ensuring the same quality and reliability as the part it replaces.

This check valve is specifically designed for 2002 BMW Z3 models, including Coupe and Roadster variants equipped with 2.5L L6 M54 and 3.0L L6 M54 engines, across both automatic and manual RWD configurations. Always confirm compatibility with your vehicle's specific make, model, and year before purchase.