The aluminum Radium Engineering fuel rail is machined and anodized for a compatibility with all fuel types including E85. 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 with -8AN ORB (3/4-16 O-ring) threaded ports at each end and 3/8" NPT female center port to accept a variety of adapter fittings for custom high flow fuel system builds. It is compatible with all fuel types including popular alcohol mixtures such as E85. The fuel rail is a direct bolt-on for all BMW's equipped with the S54 engine, including:
20-0070-02 Fuel Rail Kit, BMW S54
This basic kit includes only the fuel rail and mounting hardware. 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. 8AN ORB fittings can be found HERE, 3/8" NPT fittings can be found HERE, and prefabricated PTFE hose can be found HERE.