Description
How would you like to get tuned?
REMOTE — AT One device Flash anywhere in the world. Device shipped to you. Incl. AT One ($249). | $1,128 | ADD TO CART |
ECU MAIL-IN Ship your ECU to us in Japan. Bench flash & return. | $879 | CONTACT |
IN-PERSON Arranged individually — contact us for details. | $879 | BOOK |
BMW E90/92 M3 — Custom ECU Tune
Developed in Tokyo by mbFAST Tuning. Available remote or in-person.
| VARIANT | STOCK hp / Nm | mbFAST hp / Nm | GAIN | REMOTE |
|---|---|---|---|---|
| M3 4.0 V8 – | 420 / 400 | 440 / 430 | +20 / +30 | AT One |
What’s included
- Custom ECU calibration built for your exact vehicle — no generic files
- Remote flashing worldwide via AT One, or in-person by arrangement
- Pops & bangs (afterfire) available on select platforms — ask us
- Stock file backup & free revisions during setup
Exact calibration details are proprietary. Figures vary by fuel, condition and options.
FOR TUNING SHOPS
Install this BMW E90/92 M3 tune for your customers — we supply the calibration files and remote support. Your shop, our data.





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