Fitment Information  BMW X3 SDrive20i/XDrive20i/XDrive28i F25 [N20 Engine] (2013, 2014, 2015, 2016, 2017) Access To The Factory Diverter Is Extremely Tight. Installation Of The DV+ Usually Requires Loosening Of The Turbo Manifold To Gain Access To The Diverter Valve. Specs & Features 10% faster opening, 50% faster closing than the factory diverter. Sharper throttle response. Faster boost recovery on gearshift. Solves boost leaking issues. Built to last. Retains the factory solenoid coil for seamless integration. Replaces plastic valve parts with metal for reliability and strength on chipped engines. Direct-fit replacement with GFB’s TMS benefits. Exclusive “pilot-actuated” valve mechanism for rapid response at high boost. GFB DV+ Diverter Valve is a direct replacement for the factory valve (Patent Pending). Keep what works and replace what doesn’t! By retaining the factory ECU control and recirculating the vented air, the DV+ is a purely performance-oriented product. Works with stock hardware, improves performance and reliability. Exclusive pilot activation system allows HIGHER boost pressure. The end result is sharper throttle response, lightning-fast valve actuation, and the ability to hold as much boost as you can throw at it.