For enthusiasts looking to optimize their engine's fuel delivery without compromising daily drivability.
For Custom Applications - Will require additional tuning or modifications.
The ultimate fueling solution for your S58 powered BMW. Six supplemental low-pressure fuel injectors allow fueling of up to 1000+ whp using water/methanol blends. JB4 integrated!
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For non Fuel-It! brand port injection configs.
Know your exact ethanol content in real-time via the Fuel-It! or JB4 mobile app on your smartphone or tablet. For stock HPFP/no port injection configurations.
The Mishimoto BMW 550i Ignition Coil is a high-quality replacement designed to restore the factory performance and fuel efficiency of your 4.4L V8 engine.
Designed to eliminate the limitations of the restrictive factory fuel setup, this premium dual-pump system comes pre-loaded with two high-flowing DW420 fuel pumps.
Crank no-start conditions are ungood. It's either air, fuel, or spark. If you're not in a vacuum, then it's probably fuel or spark. Bring your ignition system back up to snuff with ignition parts like coil packs, spark plugs, spark plug wires, distributors, and more or rejuvenate your fuel system with a fresh fuel filter, fuel pump, fuel injectors, fuel rail, and everything in between from our catalog of OEM and aftermarket suppliers.
Lifetime Replacement
