Radium Engineering BMW E46 M3 S54 Fuel Rail

This option is the fuel rail ONLY. No fittings or hoses are included. This is ideal when plumbing a custom high flow fuel system using an aftermarket regulator and custom fuel lines. Fittings and adapters are available separately. 

Optionally, Include a plumbing kit to bolt up to the stock fuel system.
The plumbing kits allows easy hookup with the factory feed line and regulator located under the car. This kit is only compatible with the E46 M3. E85 compatible.
-1x  8AN ORB plug
-1x  3/8" NPT plug
-1x  6AN male adapter
-1x  PTFE fuel feed hose
-1x  SAE adapter to attach to factory regulator

Manufactured with a large internal bore, the fuel rail can support all necessary engine power requirements. It is compatible with OEM and aftermarket direct fitment fuel injectors. It features a large 0.65" internal bore. The fuel rail is a direct bolt-on for all BMW's equipped with the S54 engine, including:

2001-2006 BMW M3 
2001-2002 BMW Z3 M Coupe
2001-2002 BMW Z3 M Roadster
2006-2008 BMW Z4 M Coupe
2006-2008 BMW Z4 M Roadster