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Spool Performance FX-350 Upgraded High Pressure Fuel Pumps [BMW S63 GEN2]
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Product Details
The FX-350 is an advanced high-pressure fuel pump engineered specifically for the BMW N55 engine. Featuring a larger bore size than the stock pump, it provides nearly double the flow rate. This pump is fully E85 fuel compatible and integrates seamlessly into the system without requiring any wire cutting or splicing. The enhanced flow capacity enables the use of higher ethanol concentrations and supports sufficient fueling for larger turbochargers.
The upgraded pumps do require calibration changes. It is important to apply these changes prior to starting the car with the pump installed to avoid any possible damage and void of warranty.
Spool Performance can provide calibration details to your existing tuner and/or help you connect with established tuners who are experienced with these pumps. Custom tuning is required to get maximum output out of the upgraded pump setup for your specific vehicle setup and ambient conditions. Spool Performance is a hardware manufacturer and does not provide custom tunes, but can assist with questions your tuner may have.
Prop 65 Warning
