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.
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.
Main Injector Harness For V8 Motiv ReFlex Lite Applications
Capable of 850+ whp with supporting modifications - Includes a refundable $800 core charge
For vehicles with the earlier N63A engine - Not compatible with the N63TU engine
This product was last offered at the strikethrough price on
07-13-2026
Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip
Regain power loss & fuel economy from worn or failed ignition coils!
This system includes jetting for 35, 50, 75, 100 and 150HP.
Precision-engineered from billet 7075 aluminum, this bracket provides a rigid, "no-flex" platform that ensures your actuator maintains perfect alignment.
2X Entries Into Our F80 M3 Sweepstakes
For vehicles with Electronic Waste Gate
Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds.
2X Entries Into Our F80 M3 Sweepstakes
The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!