Unlock the true power potential of your early-production N55 engine.
For Vehicles Produced Before 12/2013
- Brand:
- Dorch Engineering
- ES#:
- 5482537
- Mfg#:
- DE-55-15B
Unlock the true power potential of your early-production N55 engine.
For Vehicles Produced Before 12/2013
Stage 3 upgrade kit for Stage 2 Bucketless LPFP, includes components.
Plug-and-play kit adapts B58 coils onto N55 for stronger spark.
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
These injectors offer a significant increase in flow over factory units while maintaining excellent idle quality and drivability through rigorous quality control
Whether you are running high-boost setups, or converting to alternative fuels, this premium X2 module delivers the reliable volume your engine demands.
These injectors offer a significant increase in flow over factory units while maintaining excellent idle quality and drivability through rigorous quality control
Increased fueling for bigger power - supports up to 1150whp! Modular design for future upgrades!
Upgrade your Precision Raceworks fuel pump for greater fuel flow - Upgrades Stage 2 & 3 Pump
Increased fueling for bigger power - supports up to 1000whp!