Radium Engineering Fuel Rail – BMW M50/M52/M54/S50/S52

This Radium Engineering fuel rail is a versatile, high-performance upgrade for multiple BMW inline-six engines. Precision CNC machined from extruded 6063 aluminum, black anodized, and laser etched for a premium finish. Designed to support high fuel demands and compatible with ethanol-based fuels including E85.

Engine Compatibility:

• BMW M50

• BMW M52

• BMW M52TU

• BMW M54

• BMW M56 (except OEM M56 "coupling-type" injectors)

• BMW S50 (North American S50B30US only – not compatible with ITB-equipped S50B30/S50B32)

• BMW S52

Mounting Info:

• Anodized billet aluminum mounting feet for M50/S50 and M52/S52 engines

• Polished stainless steel mounting feet for M52TU/M54/M56 engines

Fuel Injector Compatibility:

• Supports OEM or equivalent aftermarket injectors with 14mm O-rings

• OEM-style injector clips are supported

• For upgraded injectors, consult the injector supplier for compatibility

Fuel Port Configuration:

• Three 8AN ORB threaded ports for flexible fuel plumbing setups

Notes:

• Not compatible with non-US ITB S50B30 or S50B32 engines

• Fully compatible with all fuel types, including E85