Upgrade your BMW 535i with the Stage 2 Walbro LPFP Upgrade, designed to enhance fuel delivery and overall engine performance. This complete Low Pressure Fuel Pump (LPFP) upgrade replaces your stock assembly with a high-quality, E85 certified solution for improved flow and reliability.

Features

• Plug and Play Installation: This upgrade allows for a seamless replacement of your stock LPFP bucket, ensuring a straightforward installation without complex modifications.
• Complete Assembly Includes:
  • New BMW LPFP Bucket Assembly: A reliable foundation for your fuel system.
  • E85 Compatible Walbro Pump: Choose between the Walbro 450 or the Walbro 525 pump for enhanced fuel flow (450 flows up to 50% more than stock, while 525 provides approximately 10% more than the 450).
  • New Fuel Filter: Ensures clean fuel delivery, protecting your engine from contaminants.
  • Custom Fuel Line: Tailored for a perfect fit with your upgraded pump.
  • Lock Ring Removal Tool: Included for easy access during installation.

Fitment

This LPFP upgrade is compatible with the following production dates:

• 5 Series:
  • E60 LCI (11/2005 — 12/2009)
  • E61 LCI (11/2005 — 05/2010)
• 6 Series:
  • E63 LCI (04/2006 — 07/2010)
  • E64 LCI (04/2006 — 07/2010)

Note: All Stage 2 assemblies utilize rebuilt stock buckets, which may show signs of disassembly and rebuilding.

Important Considerations

• Current Draw: Upgraded pumps draw more current. If your EKP (LPFP control module) is weak, it may overheat and shut down. Consider upgrading the EKP if you experience any issues.

Transform your BMW 535i’s performance with the Stage 2 Walbro 450/525 LPFP Upgrade and experience enhanced power and efficiency on every drive.