GFB T9357 DV+ Upgrade Diverter / Recirc Valve - BMW Z4 E89 18i / 20i / 28i (N20 Engine) Part_Venom Cat Back CNC turned and then stress

CNC turned and then stress relieved after each machining phase for stability under temperature

quiet ride with excellent body control in everyday use

The result is stronger drive off apexes

every core is individually pressure tested at 120 psi

If you want your E92 to feel planted and look right

GFB T9357 DV+ Upgrade Diverter / Recirc Valve - BMW Z4 E89 18i / 20i / 28i (N20 Engine) Part_Venom Cat Back CNC turned and then stressEuropean manufacturers are pushing their engines to the limit. Get a DV to match. GFB's DV+ diverter valve range offers a direct fit performance solution for the weak factory diverter valves used on many modern vehicles. By retaining the factory ECU control and recirculating the vented air, the DV+ is a purely performance orientated product. GFBs DV+ design solves the longevity and boost leaking issues that are common with factory diverter valves, and