BMW Universal Return Fuel Lines w/ Regulator q50/q60 The fittings are - 6AN

The fittings are - 6AN and each one comes with a new O-ring

These NGK Laser Iridium replacement plugs are factory standard in BMW N20 & S55 engines and are suggested for most turbo BMW engine including the N54

JB4 Features & Benefits

Faster turbo spool for instant throttle response

BMW Universal Return Fuel Lines w/ Regulator q50/q60 The fittings are - 6ANThe Precision Raceworks N54 Return System with Pressure Regulator is designed to work with most BMWs with a fuel pump located on passenger side of car. (see fitment guide for specific models) This kit allows users to run custom fuel pressures exceeding that of the factory system. This system features a 1: 1 boost referenced fuel pressure regulator, 6AN fuel return line, Bulkhead fittings to add return port to tank, and all other necessary brackets and