Geniune BMW O-Ring for N54/N55/S55 Throttle Body Flange (Charge Pipe)

Genuine BMW O-Ring (Part #13717568031).  For use on throttle body flange on the main charge pipe.  When the factory charge pipe fails, it usually sends the factory o-ring flying off and lost in the engine bay.  For N54, N55 and S55 Engines.