FTP BMW F25 X3/ F26 X4 N20 charge pipe + Boost pipe ( 20i , 28i)*Increased Flow *Direct OEM Replacement *Caliber increase *3 Ply Silicon Couplers * bung for water injection *never blow up again For maximum effect, The FTP Charge Pipe both increases flow and improves the reliability of your AWD BMW N20 engine BMW. The aluminum pipe replaces the brittle factory plastic pipe which can fail under increased boost pressure. The increased piping size helps to reduce turbulence and maximize flow into the engine. Part was