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emissions-friendly DI-only configuration
No machining or custom fabrication is needed
The kit features a boost activated secondary fuel pump bringing you to a dual pump setup and provides almost double the flow from the stock pump
This uncertainty is of serious concern to enthusiasts who are running performance E85 tunes for their vehicles
Real-Time Ethanol Readings – Know exactly what’s in your tank at all times
BMW B58 Gen2 Auxiliary Split Fuel System c63s emissions-friendly DI-only configurationSpool Performance B58 Gen 2 Auxiliary Fuel System The Spool Performance B58 Gen 2 Auxiliary Fuel System is designed for B58 Gen 2 owners pushing beyond the limits of the factory fuel system who want a solution thats properly engineered, easy to install, and built for long term reliability. From the start, our focus was on correct fuel architecture and real world usability. Every component and layout choice was made to deliver stable, predictable
