The Radium Engineering fuel rail for the BMW S54 engine 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. The fuel rail is a direct bolt-on for all BMW's equipped with the S54 engine.
20-0070-02 Fuel Rail BMW S54
The fuel rail end ports are tapped for 8AN ORB and center port is tapped for 3/8 NPT.
8AN ORB Adapter Fittings can be foundHEREand will work in either end port
If the under-car regulator is not used, a Radium direct mount regulator can be installed in the front port of the fuel rail. Part number 20-1623-0X can be foundHERE
3/8 NPT Adapter Fittings can be foundHEREand can be used in the center port. Plug this port if it is not needed using a 3/8 NPT plug
Due to space limitations, the center port can only accommodate one style of pulse damper, part number 14-0128 foundHERE
Fuel Pressure Gauge Adapters can be foundHEREand can be used in an end port
Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers.
To verify clearance, the dimensional drawings on the product pages can be used as a reference guide.
Optional:
20-0070-PK Fuel Rail Plumbing, BMW S54
The plumbing kit allows easy hookup with the factory feed line and regulator located under the car.