BMW E60 N54 Stage 2.5+ LPFP Upgrade - DW400 Fuel Pump - 700 WHP

BMW E60 N54 Stage 2 LPFP Upgrade - Walbro 450 Fuel Pump - 575 WHP

OneFastShop SKU: E6X-N54STG2
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Upgrade your BMW E60 N54 fuel system with the OneFastShop Stage 2 Low Pressure Fuel Pump (LPFP) assembly. This drop-in replacement swaps the restrictive OEM fuel bucket for a complete E85-compatible unit built around the proven Walbro 450 (F90000274) pump - delivering the fuel volume needed to support up to 575 WHP on pump gas or 500 WHP on full E85. Direct replacement for BMW OEM part #16117373521, with plug-and-play installation and zero wiring modifications required.

Key Features

  • E85-compatible Walbro 450 pump (F90000274)
  • Supports up to 575 WHP on pump gas / 500 WHP on full E85
  • Complete OEM-replacement fuel bucket with top hat and float assembly
  • Plug-and-play installation - no wiring modifications, soldering, or ECU changes
  • Ships fully assembled and ready to install
  • Includes Walbro filter, fittings, and O-ring
  • Ideal for Stage 2+ tunes, methanol injection, and ethanol blends
  • Direct replacement for BMW OEM #16117373521

Fitment

Year Make Model Chassis Engine
2008-2010 BMW 535i E60 N54
2008 BMW 535xi E60 N54
2009-2010 BMW 535i xDrive E60 N54

Specifications

Part Number E6X-N54STG2
Pump Walbro 450 (F90000274)
OEM Replacement BMW #16117373521
Max Power Support 575 WHP (pump gas) / 500 WHP (E85)
Fuel Compatibility 91-93 octane, E85, ethanol blends, methanol injection
Installation Plug-and-play, no wiring required

What's in the Box

  • Complete fuel bucket assembly with Walbro 450 pump pre-installed
  • Top hat and float assembly
  • Walbro fuel filter
  • Fittings and O-ring

Installation Notes

Required tool: A fuel pump lock ring removal tool is required for installation. Our Fuel Pump Lock Ring Removal Tool for BMW E-Chassis, MINI, and Porsche is available separately - add it to your order from our store.
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