VRSF Charge Pipe Upgrade Kit 2012 – 2016 BMW F10/F12 M5 & M6. The VRSF aluminum chargepipe upgrade for your M5/M6 replaces the weak plastic chargepipes that are prone to failing at and above OEM boost levels. Our aluminum chargepipes feature CNC mandrel bent aluminum tubing and they are finished in powder coated wrinkle black. Two plugged 1/8? NPT bungs are included for those who are currently using water injection or interested in using water injection in the future. We include everything required to replace your OEM chargepipes. CNC mandrel bent powdercoated black aluminum piping. Includes two 1/8? NPT bungs for water injection. Includes everything necessary to upgrade from factory chargepipes. This item fits the following BMWs.