BMW B58 Gen1 Wireless Ethanol Analyzer Kit - Spool Performance SP-ECA-B58

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 B58 Gen1 Stage 3 Low Pressure Fuel Pump - Spool Performance SP-G30540-LPFP-2

  Spool Performance is thrilled to bring our BMW G30 540i Stage 3 Low-Pressure Fuel Pump kit to market.  The kit includes everything needed to add a secondary boost-activated low-pressure pump to solve any low-side fueling capacity issues...

BMW B58 Stage 3 Low Pressure Fuel Pump (DIY Kit) - Spool Performance SP-G30540-LPFPDIY

Spool Performance is thrilled to bring our G30 540i Stage 3 Low-Pressure Fuel Pump kit to market for enthusiasts who are up for a DIY solution to their fueling issues. With the use of high-pressure pumps now being able to support DI fueling, we have...