We recommend physically inspecting to see if your vehicle requires a 6 or an 8 bolt version on all N54 engines

Breakage can result in valves dropping into the combustion chamber

This kit features a 6061-T6 CNC billet aluminum sleeve that slides over the corresponding 39mm aftermarket pump to mimic the larger diameter of the BMW fuel pump

and extreme street builds

Compatibility:

ReFlex+ Advanced I/O Controller for BMW S63 20-1213 We recommend physically inspecting toUnlock advanced tuning capability for your BMW S63TU engine with the ReFlex+ I O Integration Controllerbuilt for seamless control of port injection and auxiliary systems. The ReFlex+ is a cutting edge controller designed to handle sequential port fuel injection and manage auxiliary components with precision. Originally developed to bring modern control to port injection systems, ReFlex+ now goes far beyond thatoffering full or partial integration with