Increase throttle response and decreases turbo lag with the VRSF chargepipe for your 535i, 640i, 740i, X5 or X6. Our aluminum chargepipe features a CNC billet aluminum OEM throttle body flange and is finished in powder coated black. The VRSF chargepipe retains the OEM c-clip in order to provide a better seal over a conventional clamp/coupler design. A plugged 1/8 NPT bung is also included for those who are currently using water injection or interested in using water injection in the future.Our chargepipes include a plugged 1/8 NPT bung and the couplers and clamps necessary for installation. A replacement OEM C-clip is also available in case your OEM c-clip is lost, damaged or worn.Features: Increase throttle response and decreases turbo lag. Powder coated black aluminum piping. Includes one plugged bung for water injection. Throttle body matched 3 piping. Billet CNC OEM throttle body flange for a leak free connection. Includes everything necessary to upgrade from factory chargepipe. Lifetime warranty.This item fits the following BMWs:2011 2017F07 BMW535i & 535iXGT N552011 2017F10/F11BMW535i & 535xi N552011 2015F06 BMW640i & 640xi N552011 2017F12/F13 BMW640i & 640xi N552011 2017F01/F02 BMW740i, 740Li & 740iX N552010 2013E70 BMWX5 35i & 35iX N552013 2018F15 BMWX5 35i & 35iX N552013 2019F16 BMWX6 35i & 35iX N55Increase throttle response and decreases turbo lag with the VRSF chargepipe for your 535i, 640i, 740i, X5 or X6. Our aluminum chargepipe features a CNC billet aluminum OEM throttle body flange and is finished in powder coated black. The VRSF chargepipe retains the OEM c-clip in order to provide a better seal over a conventional clamp/coupler design. A plugged 1/8 NPT bung is also included for those who are currently using water injection or interested in using water injection in the future.Our chargepipes include a plugged 1/8 NPT bung and the couplers and clamps necessary for installation. A replacement OEM C-clip is also available in case your OEM c-clip is lost, damaged or worn.