BMW F-Series N55 N20 Stage 2 LPFP Walbro 450 Low Pressure Fuel Pump 575 WHP

This kit increases fuel delivery to support higher power levels and ethanol-based fuels. It replaces the factory fuel bucket with E85-compatible components and a high-flow Walbro 450 pump. Designed for drop-in installation, all necessary hardware is included.

Key Features:

• E85-compatible Walbro 450 pump (F90000274)

• Complete replacement fuel bucket with top hat and float assembly

• Includes Walbro filter, fittings, and required hardware

• Direct plug-and-play installation

• Supports up to 575 whp (500 whp on full E85)

Vehicle Fitment:

• BMW 1 Series (F20/F21):

  • 116i (2011 – 2015) – N13

  • 118i (2011 – 2015) – N13

  • 125i (2011 – 2015) – N20

  • M135i / M135i xDrive (2012 – 2015) – N55

• BMW 2 Series (F22/F23):

  • 220i (2013 – 2016) – N20

  • 228i / 228i xDrive (2014 – 2016) – N20

  • M235i / M235i xDrive (2014 – 2016) – N55

  • M2 (2016 – 2018) – N55

• BMW 3 Series (F30/F31/F34):

  • 316i (2012 – 2015) – N13

  • 320i / 320i xDrive (2012 – 2016) – N20

  • 328i / 328i xDrive (2012 – 2016) – N20

  • 335i / 335i xDrive (2012 – 2015) – N55

  • 335i GT xDrive (2013 – 2016) – N55

• BMW 4 Series (F32/F33/F36):

  • 420i (2013 – 2016) – N20

  • 428i / 428i xDrive (2014 – 2016) – N20

  • 435i / 435i xDrive (2013 – 2016) – N55

Installation Notes:

• Fully reversible—no permanent modifications.

• No wiring changes required; plug-and-play design.