Spool - Stage 3 Low Pressure Fuel Pump DIY Kit || F90

Spool Performance Stage 3 DIY Low-Pressure Fuel Pump Kit – BMW S63 (N63TU/N63R Compatible)

Achieve 1200+ WHP fueling capability without breaking the bank.
Spool Performance proudly introduces our Stage 3 DIY Low-Pressure Fuel Pump Kit for BMW S63-powered vehicles—designed specifically for high-horsepower builds demanding robust, reliable fueling, especially on E85.

With today’s aftermarket high-pressure fuel pumps delivering incredible DI performance, the low-pressure side of the system has become a critical bottleneck—especially when running ethanol blends. Our DIY solution gives enthusiasts a cost-effective, high-flow upgrade without compromising on quality or performance.

Key Benefits:

• Supports up to 1200+ WHP worth of low-pressure fueling

• Near double the flow compared to the stock low-pressure pump

• E85-ready – perfect for ethanol or blended fuels

• DIY kit – save money and customize your install

• Boost-activated – fuel only flows when needed, reducing wear

What’s Included:

• ✅ Dual Pump Bucket Assembly

• ✅ Secondary Fuel Pump Activation Harness

• ✅ Boost-Activated Switch

• ✅ Boost Reference Adapter

• ✅ Complete Hardware Pack

• ✅ Detailed Assembly Instructions

This kit provides a performance increase comparable to plug-and-play solutions at a fraction of the cost, making it the smart choice for budget-conscious high-power builds. Whether you're running upgraded turbos, full bolt-ons, or built internals, this kit ensures consistent fuel delivery under heavy load.

📧 Have questions? Reach out to our team anytime:
customer_service@spoolperformance.us