Gen 1 BMW B58 High Pressure Fuel Pump (HPFP) Upgrade Add ethanol content sensor?:Yes This warranty covers defects in

This warranty covers defects in craftsmanship and fitment

If you’re running more than stock boost on your BMW 535i or 535xi with the N54 engine

Aggressive and sporty induction sound

Pretty solid gains for a quick install/remove tuner without having to reflash the ECU

4L engine:

Gen 1 BMW B58 High Pressure Fuel Pump (HPFP) Upgrade Add ethanol content sensor?:Yes This warranty covers defects inUnlock the true potential of your BMW with the Gen 1 B58 High Pressure Fuel Pump (HPFP) Upgrade from Fuel It! This high capacity upgrade replaces your factory HPFP, delivering up to 30% more flow with Stage 1 and an impressive 60% more flow with Stage 2, ensuring your engine performs at its peak. Features Complete Installation Kit: Includes all necessary hardware for a clean, plug and play installation. Performance Options: Select between "Stage 1" or