UNIVERSAL 50MM V-BAND PURPLE TURBO BLOW OFF VALVE/BOV 35 PSI BOOST+SPRING+FLANGE Trailer & Camper Parts & Accessories Compatible for BMW :

Compatible for BMW :

07-09 For Chevrolet Silverado 1500 5

compatible for Porsche Cayenne 2003-2006

Interchange Part Number: MF7529

1988 for Lincoln MARK VII V8 5

UNIVERSAL 50MM V-BAND PURPLE TURBO BLOW OFF VALVE/BOV 35 PSI BOOST+SPRING+FLANGE Trailer & Camper Parts & Accessories Compatible for BMW :The Blow Off valve (BOV) is a pressure relief device on the intake tract to prevent the turbo's compressor from going into surge. When the throttle is closed rapidly, the airflow is quickly reduced, causing flow instability and pressure fluctuations. Surge can eventually lead to thrust bearing failure due to the high loads associated with it. Blow Off valves use a combination of manifold pressure signal and spring force to detect when the throttle is