GFB Diverter Valve DV+ BMW F30 335i / BMW F20 / BMW F21 M135i N55 VRSF Learn more about Revshift polyurethane

Learn more about Revshift polyurethane here: https://revshift

or in other words - autotune -  based on information from ECA

net/24ae130493694fefff1cc76e5b12293b

mainly due to our incredibly dense internal and external fin pack

Our high flow inlet kit includes everything necessary to replace the restrictive stock intake inlet with our high flowing 2

GFB Diverter Valve DV+ BMW F30 335i / BMW F20 / BMW F21 M135i N55 VRSF Learn more about Revshift polyurethaneGFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesnt! By retaining the factory ECU control and recirculating the vented air, the DV+ is a purely performance oriented product that offers the following benefits: * Sharper throttle response * Faster boost recovery on gearshift * Solves boost leaking issues * Built to last This Direct fit replacement for the factory diverter valve