Radium Engineering Fuel Rail - BMW E46 M3 S54

The Radium Engineering high-flow fuel rail for the BMW E46 M3 S54 engine is engineered to support high-horsepower fuel delivery demands. It features a large 17.5mm (.689") internal bore to eliminate pressure drops and feed high-demand fuel setups reliably.

CNC-machined from solid 6061-T6 aluminum and hard-anodized, this rail offers superior corrosion resistance and compatibility with all common fuel types, including E85. It utilizes standard -8 AN ORB ports for secure, leak-free plumbing and is fully compatible with factory OEM and aftermarket direct-fitment fuel injectors.

Key Features & Benefits:

• Large Internal Bore: 17.5mm diameter handles high fuel volume and prevents starvation under heavy load.
• Injector Compatibility: Compatible with factory OEM and aftermarket direct-fitment fuel injectors.
• E85 Compatible: Hard-anodized 6061-T6 aluminum construction stands up to aggressive alternative fuels.

Technical Specifications:

• Application: BMW E46 M3 S54 (2001–2006)
• Warranty: Radium Engineering Limited Manufacturer Warranty
• Brand: Radium Engineering