BMW E-Chassis Dual Walbro Stage 4 LPFP Upgrade Kit for the N54 and N55 Motors –
- Most powerful LPFP upgrade for over 600whp, maintains OEM bucket
- Utilizes high-quality OEM buckets and float assemblies
- Requires port injection kits and external fuel pressure regulator upgrade
- Includes two Walbro 450 E85 pumps, custom 6 micron ethanol compatible filter assembly
- Boost referenced kit providing up to 300% more flow than stock
- Kit includes new OEM bucket, tophat, float, O-ring, and Walbro filters
- Requires return kit and E-series N54 or N55 vehicles
- Recommended accessories include Lock Ring Removal Tool, Hobb’s Switch, and Flex Fuel Kit
– R 33407