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Reduced shift flare and reduced clutch slip
BMW M440i / BMW M440i xDrive – 2021+
When DI and PI share a feed:
Unmatched Reliability At Spool Performance
SPOOL Low Pressure Fuel Pump PWM Activation Harness - BMW F90 Reduced shift flare and reducedSPOOL Low Pressure Fuel Pump PWM Activation Harness Proudly introducing our Spool Performance Low Pressure Fuel Pump (LPFP) PWM (Pulse Width Modulation) Harness! Including Hella Solid State Relay! We seen many companies sell LPFP kits with Walbro 525s but they run them on traditional relays. We DO NOT recommend this because you're running the pump full time at 13. 5 14V. We also recommend running the pump like this because unlike brushless pumps,
