Looking for aftermarket parts to modify or upgrade your 2012 BMW Z4 with blow off valves? At Tunersports.com we carry a huge selection of the top name brand performance blow off valf parts and accessories.

IN STOCK T9357GFB's DV+ design solves the longevity and boost leaking issues that are common with factory diverter valves, and also changes the operation method to "pilot actuation" to ensure better performance on stock or modified engines... GFB DV+ BMW N20 Engine 2012-2016 BMW Z4 sDrive28i $153.90 |

IN STOCK TS-0203-1050Kompact Range by Turbosmart is a high performance upgrade for the factory plastic diverter and bypass valves factory fitted to turbocharged cars, replacing the plastic and rubber system with a Motorsport-Proven billet aluminum valve which uses our boost-balance system for optimum performance and rel... Turbosmart BMW 135i/335i/535i/Z4 w/ N54 Twin Turbo 3.0L Kompact Dual Port Kit 2009-2016 BMW Z4 sDrive35i 2011-2016 BMW Z4 sDrive35is $589.49 |

IN STOCK TS-0203-1250Kompact Range by Turbosmart is a high performance upgrade for the factory plastic diverter and bypass valves factory fitted to turbocharged cars, replacing the plastic and rubber system with a Motorsport-Proven billet aluminum valve which uses our boost-balance system for optimum performance and rel... Turbosmart BMW 135i/335i/535i/Z4 w/ N54 Twin Turbo 3.0L Kompact Plumb Back Kit 2009-2016 BMW Z4 sDrive35i 2011-2016 BMW Z4 sDrive35is $485.99 |