BMW E-Chassis Dual Walbro Stage 4 LPFP Upgrade Kit for the N54 and N55 Motors | R 33407 – Check Prices Buy Online

Summary:

The BMW E-Chassis Dual Walbro Stage 4 LPFP Upgrade Kit is designed for high-performance applications, specifically for those achieving over 600whp with dropping LPFP pressures. This upgrade is touted as the most powerful LPFP solution available, maintaining OEM bucket components while bypassing factory restrictions for increased pressures and flows. The kit includes two Walbro 450 E85 pumps, compatible filters, -6an fuel lines, and fittings. The package also provides up to 300% more flow than stock, with boost referencing. Key components include OEM parts, ethanol-compatible filters, wiring harnesses, and fuel lines. Additional requirements like a port injection kit and fuel return kit are necessary. Recommended accessories such as a lock ring removal tool and Hobb’s switch are also suggested. The kit is compatible with specific BMW E-series models, and considering the custom-built nature, shipment is estimated within 5-7 business days post-order placement. Upgraded pumps may require a robust LPFP control module to prevent overheating. Detailed installation guides and contact information for inquiries are provided.