BMW E-Chassis Dual Walbro Stage 4 LPFP Upgrade Kit for the N54 and N55 Motors –
- Most powerful LPFP upgrade for BMW N54 and N55 motors
- Utilizes OEM bucket and retains factory venturis and fuel transfer systems
- Requires port injection kits and external fuel pressure regulator upgrade
- Includes two Walbro 450 E85 pumps, custom 6 micron ethanol compatible filter assembly, and -6an fuel lines and fittings
- Provides up to 300% more flow than stock and is boost referenced
- Kit includes OEM bucket, tophat, float, O-ring, and new pumps
- Additional requirements: Return kit, fuel-It! or Phoenix Racing port injection kit
- Recommended accessories: Lock Ring Removal Tool, Hobbs Switch, and Flex Fuel Kit with Bluetooth integration
– R 33407