BMW N55 Stage 2 Low Pressure Fuel Pump - Spool Performance SP-BMFXXN-FPS2

Spool Performance is proud to present the production version of our Stage 2 LPFP (Low-Pressure Fuel System) for the BMW FXX N55 platform. With the use of high-pressure pumps now being able to support DI fueling, we have found the low-pressure...

BMW N55 Wireless Ethanol Analyzer Kit - Spool Performance WK-9C9V-B998V-KPF

The Spool wireless Ethanol Analyzer kit is a very cost-effective and robust ethanol content and fuel temperature monitoring solution. With the included smartphone app, the analyzer paired with a GM ethanol sensor can display the in-tank fuel's ethanol...

BMW N55 HELIX Support Bracket - Spool Performance SP-HX-SPPBRN55

BMW N55 HELIX Support Bracket - Spool Performance SP-HX-SPPBRN55 Please note all new purchases of Helix kits now come standard with this bracket, so purchasing this separately is not necessary. This listing is for existing helix users who did not receive...

BMW N55 FX-200 Upgraded High Pressure Pump - Spool Performance SP-FX-200-N55-NENF-DFVA

What is the FX-200? The FX-200 is a Stage 2 upgraded high-pressure fuel pump for the BMW N55 motor that replaces our existing FX180 offering. The pump features a bigger bore size than stock that translates into roughly double the flow when compared to...

BMW N55 FX-170 Upgraded High Pressure Pump - Spool Performance SP-FX-170-N55-NENFSDG

What is the FX-150?  The FX-170 is an upgraded high-pressure fuel pump (HPFP) designed for BMW N55-powered 35i single-turbo models. Featuring a larger bore than the stock pump, it delivers approximately 50% more flow, making it ideal for higher...

BMW N55 Stage 3 Low Pressure Fuel Pump - Spool Performance SP-BMFXXN-FP

  Spool Performance is proud to present the production version of our Stage 3 LPFP (Low-Pressure Fuel System) for the BMW FXX N55 platform. With the use of high-pressure pumps now being able to support DI fueling, we have found the low-pressure...