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Radium Engineering BMW E46 Fuel Pump Hanger
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Radium Engineering BMW E46 Fuel Pump Hanger

RAD20-1180
Fuel Pump Hangers
6 Units In Stock - Ships Next Business Day
$ 549.95 $ 522.45
$ 522.45

SKU: 20-1180

Radium Engineering BMW E46 Fuel Pump Hanger: Direct Drop-In Upgrade for Reliable High-Flow Fuel Delivery

Upgrade your BMW E46's fuel system with the Radium Engineering Fuel Pump Hanger (SKU: 20-1180), engineered specifically for seamless integration and consistent performance during demanding drives. This hanger replaces the factory right-hand and left-hand fuel hat assemblies, supporting one or two aftermarket fuel pumps to handle increased fuel demands without compromising flow. Unlike stock setups that can falter under high load, this design incorporates a pressure relief valve (PRV) venturi jet pump and an integrated collector bowl that draws from multiple sources OEM labyrinth, low-pressure return fuel, and crossover fuel to eliminate starvation risks and maintain steady pressure. Drivers report smoother power delivery and quicker throttle response in tuned E46s, as it pairs perfectly with high-output pumps for applications up to 1000+ horsepower.

Precise Vehicle Fitment

This fuel pump hanger fits all BMW E46 chassis models, ensuring bolt-on compatibility without modifications:

  • 1999-2005 BMW E46 316i
  • 1998-2006 BMW E46 318i
  • 1998-2006 BMW E46 320i
  • 1998-2000 BMW E46 323i
  • 2001-2006 BMW E46 325i
  • 1998-2000 BMW E46 328i
  • 2000-2006 BMW E46 330i
  • 2003-2006 BMW E46 330i ZHP
  • 2000-2006 BMW E46 M3
  • 2003-2004 BMW E46 M3 CSL

It reuses your existing passive and active fuel level sensors for accurate readings, preserving OEM functionality.

Complete Package: What's Included in Your Purchase

Every 20-1180 kit arrives ready for installation, containing:

  • Aluminum fuel pump hanger with integrated stainless steel collector bowl and PRV venturi jet pump for controlled fuel return and anti-starvation protection
  • Two fuel pump filter socks to safeguard pumps from debris
  • SAE quick-connect barb fitting for direct connection to the OEM feed line
  • 8.5mm barbed adapter for the OEM return line
  • Custom high-current stainless steel electrical studs with anti-rotation features, hermetically sealed in ETFE insulation, plus non-conductive anodized aluminum acorn nuts for secure, corrosion-resistant wiring

Note: Aftermarket fuel pumps are sold separately. Compatible options include AEM 50-1000/50-1200, Walbro GSS342/F90000267/F90000274/F90000285/F90000295, Ti Automotive E5LM, Protec 11928/Fuelab 49614, and Deatschwerks DW440/DW810. For pumps without built-in check valves (e.g., Walbro F90000295 or Ti Automotive E5LM), add the optional universal check valve kit (part 20-1534).

Key Specifications and Performance Advantages

  • Materials: CNC-machined aluminum body with stainless steel components for durability and fuel resistance
  • Ports: Merged single pump outlet and fuel return inlet, both with 10AN ORB (7/8"-14) female threads for easy aftermarket hose upgrades
  • Fuel Compatibility: Handles gasoline, methanol, and E85 without degradation
  • Electrical: Upgraded studs support high amperage for dual-pump setups; single-pump installs can reuse OEM wiring, though a dedicated relay and fuse are recommended for dual configurations
  • Installation: True drop-in design no cutting, drilling, or vehicle alterations needed. Full instructions available for a straightforward swap.

This hanger delivers more dependable fuel transfer than factory components, especially in cornering or high-G maneuvers, by actively managing return flow and pooling fuel efficiently. Paired with compatible pumps, it ensures your E46's engine receives uninterrupted supply, reducing hesitation and supporting forced induction or big-power builds where stock hangers fall short.

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