Blow Off Valve BOV Kit For BMW 1 3 5 Series X1 X3 N20 2.0T Turbo 125i 228i 328i

Blow Off Valve BOV Kit For BMW 1 3 5 Series X1 X3 N20 2.0T Turbo 125i 228i 328i Fitment: BMW 3 Series N20 Engine BMW 5 Series N20 Engine BMW X1 N20 Engine BMW X3 N20 Engine 125i N20, BMW 220i N20, BMW 225i N20, BMW 228i N20, BMW 320i N20,BMW 328i N20, BMW 520i N20, BMW 528i N20 Description: This Blow Off Valve is For BMW N20 2.0 Turbo engines that have the electronically controlled bypass valve. This engine can be found in the F10, F20 and F30 chassis badged as 125i, 225i, 220i, 228i, 320i, 328i, 520i and 528i. It is recommended for any vehicle where the boost pressure has been increased by an ECU software upgrade and for unmodified vehicles operating in warmer climates, as a solution to the many failures that have occurred, where the original rubber diaphragm splits, which causes a loss of boost pressure. Unfortunately, the failure doesn't always result in a check engine light as the valve can still be blown open by the boost pressure, so you may not be aware that you are losing po