BMW S55 Wireless Ethanol Analyzer Kit - Spool Performance SPX-3B33-4H44-000

  The Spool Wireless Ethanol Analyzer Kit is an affordable and reliable solution for monitoring ethanol content and fuel temperature in your vehicle. Paired with a GM ethanol sensor and our free smartphone app, this system provides...

BMW Booster Pump DIY Kit - NRW Design BPKS55

Introducing the NRW Design DIY booster pump kit.  This kit was designed and manufactured in house here at NRW Design and this kit will allow you to add a Walbro fuel pump to either add port injection or boost fuel pressure to your stock direct...

BMW S55 Lift Kit HPFP Upgrade - Dorch Engineering DE-LK-2000

BMW S55 Lift Kit HPFP Upgrade - Dorch Engineering DE-LK-2000 We are proud to offer an unmatched game-changing product for the S55 community! Rather than offer our standard HPFP upgrades for the S55 platform, we went back to the drawing board to come up...

BMW S55 Port Injection - BMP 601-0016

BMW S55 Port Injection - BMP 601-0016 The Black Market Parts Multi-port Injection (MPI) kit with flex fuel capability is a necessity to safely and sufficiently support the power levels of upgraded turbos. This kit is capable of providing...

BMW AIC-1 Split Second Controller - Precision Raceworks 101-0030

BMW AIC-1 Split Second Controller - Precision Raceworks 101-0030 Genuine SplitSecond AIC1-6 supplemental fuel injector controller with EV6 (USCAR) connectors for use in 6 cylinder applications. This product is designed for close...

BMW S55 FX-170 Upgraded High Pressure Fuel Pump - Spool Performance SP-FX-S55-AE

What is the FX-170? The FX-170 is a high-performance upgraded high-pressure fuel pump (HPFP) designed to push the fueling limits of the S55 engine. Featuring a larger bore than the stock unit, it delivers 50% more flow,...

BMW S55 Stage 3 Low Pressure Fuel Pump - Spool Performance SP-BMF8x-FP

Spool Performance is proud to present the production version of our Stage 3 LPFP (Low-Pressure Fuel System) for the BMW F8x M3/M4 platform. With the use of high-pressure pumps now being able to support DI fueling, we have found the low-pressure electric...