GFB T9356 DV+ Upgrade Diverter / Recirc Valve - BMW 4 Series F32 435i R53 Cooper S back pressure is dramatically reduced

back pressure is dramatically reduced resulting in the faster flow of exhaust gases

xDrive compatible lowering kit and 520d 528i suspension upgrade

Please check your rear bumper style matches the listing before purchase

This direct-fit performance upgrade is designed to dramatically improve airflow into the turbochargers

Matched Bilstein B8 dampers and Eibach Pro-Kit springs for a balanced

GFB T9356 DV+ Upgrade Diverter / Recirc Valve - BMW 4 Series F32 435i R53 Cooper S back pressure is dramatically reducedFITMENT NOTE: Abarth 500 models This part only fits vehicles fitted with a Garrett turbo. It will not fit models fitted with the IHI Hybrid turbo as the configuration is different. BMW 135i this part will only fit the N55 single turbo engine. The N54 twin turbo model doesn't use a diverter valve so our T9356 will not fit vehicles with this engine. SHARPER THROTTLE RESPONSE FASTER BOOST RECOVERY ON GEARSHIFT SOLVES BOOST LEAKING ISSUES BUILT TO LAST