Radium Engineering fuel rail kit for BMW E46 M3 (S54) applications; hardware is laser-etched and anodized, with CNC-machined aluminum components. The listing notes that hose and fittings are not included, and the kit provides precision-machined rails intended to match the S54’s fuel delivery geometry for aftermarket fuel system upgrades.
Radium Engineering BMW E46 M3 (S54) Fuel Rail Kit (Does Not Include Hose or Fittings)