Fuel-It! BMW Fuel Pump Upgrades for the N54 & N55 Motors

Fuel-It! BMW fuel pump upgrades for N54 and N55 engines are designed to support higher power levels, ethanol blends, and increased fuel demand while maintaining reliability and plug-and-play installation. These low-pressure fuel pump (LPFP) solutions are engineered specifically for E-Chassis BMW applications and offer significant flow improvements over the factory fuel system.

Stage 1 LPFP Upgrade – Inline Upgrade

The Stage 1 LPFP upgrade is designed to install inline with your factory low-pressure fuel pump.

• Installs inline with the stock LPFP
• Approximately 50% more fuel flow when paired with the factory pump
• Ideal for lightly modified vehicles and ethanol blends
• Retains the factory fuel pump assembly

Stage 2 Bucketless LPFP Upgrade

The Stage 2 bucketless LPFP upgrade is a complete replacement for the factory low-pressure fuel pump assembly, utilizing an E85-certified bucketless design.

This system provides:
• Up to 25% more flow than Fuel-It! standard Stage 2 upgrade
• Up to 100% more fuel flow compared to stock
• Designed for high-horsepower and ethanol-fueled builds

Included components:
• Complete plug-and-play bucket replacement solution
• Custom billet aluminum anodized bracket for pump and float assembly
• E85-compatible Walbro fuel pump
• New Walbro fuel filter
• Custom anodized billet fitting for pump output and factory fuel line
• Spare vent tube clip
• Two cotter pins to secure the float assembly

Stage 2 bucketless pumps are available with:
• Walbro 450 fuel pump
• Optional Walbro 525 fuel pump offering approximately 10% more fuel flow

Vehicle Fitment – N54 & N55 BMW Applications

BMW 1 Series

• 2008–2013 E82 Coupe 135i
• 2008–2013 E88 Convertible 135i

BMW 3 Series

• 2006–2011 E90 Sedan 335i / 335ix
• 2006–2011 E91 Touring 335i / 335ix
• 2006–2013 E92 Coupe 335i / 335ix
• 2006–2013 E93 Convertible 335i / 335ix
• 2011–2013 E92 Coupe 335is

BMW X Series

• 2010–2015 BMW X1 SAV

Recommended Tool

Universal Fuel Pump Lock Ring Removal Tool

• Compatible with E, F, and G-Chassis BMWs
• Professional-grade adjustable design
• Three adjustable arms with a diameter range of 5.2"–7.6" (135mm–195mm)
• Accepts a 1/2" drive ratchet, breaker bar, or 21mm socket
• Ideal for removing and installing the factory metal fuel pump lock ring under the rear seat