CD919 Performance
N54

N54

Twin-Turbo Inline-Six

Wake the beast under the hood

The OG. From bolt-ons to full builds. Every map is custom-fit to your fuel, hardware, and goals.

N54 dyno

Tuning Fees

Stock Turbos$350
Upgraded Twins$400
Single Turbo$450
Additional fuel maps (91, 93, ethanol, flex fuel)$200
Additional maps (flame, multi-map)$100
Port injection tuning$150
Ready To Go Fast?

N54 Custom Tune Form

Fill out the information below to get started on your calibration.

Anything you feel is relevant to your custom calibration.

Found by connecting the car to the MHD app and scanning for codes — listed as "HW:___".

What fuel you would like to tune on (91, 93, ethanol). If unsure, we can discuss your goals.

Note: Some have reported that responses to N54 inquiries land in their Spam folder.

Cross-Platform

Different platform?

Explore our other supported BMW engine families — every chassis tuned to its own character.

S58
Platform
M Competition
B58
Platform
Single-Turbo I6