This coil is engineered as a direct-fit replacement, ensuring a seamless installation that communicates perfectly with the vehicle's ECU.
This coil is engineered as a direct-fit replacement, ensuring a seamless installation that communicates perfectly with the vehicle's ECU.
Designed to restore and enhance the ignition system of BMW N54 and other compatible engines.
Individual replacement - Only 1 replacement wire included - For use with ignition kit # 601-0021-1
The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!
The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!
The pump is completely E85 compatible and fully plug and play with no cutting or splicing of any kind required. The added flow will let you run much higher ethanol concentrations and also allow fueling for bigger turbos.
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
This product was last offered at the strikethrough price on
06-24-2026
Unlock the true power potential of your early-production N55 engine.
For Vehicles Produced Before 12/2013
Fueling support up to 1000+ WHP!
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.
Regain power loss & fuel economy from worn or failed ignition coils!
Regain power loss & fuel economy from worn or failed ignition coils!
This full kit is one of the easiest ways to get all six nozzles exactly where you need them for a true direct port installation.
Everything you need to upgrade your N55 with B58 high-performance ignition coils!
Direct port injection plate for clean WMI installs
Increased fueling for bigger power - supports up to 900whp!
The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!