Hitachi BEM549 ECU Tuning
Engine control unit used in 5 supported models from 2 makes.
Infiniti with the Hitachi BEM549
All Infiniti tunes- Infiniti QX602022+3.5 V6AutoTuner
Nissan with the Hitachi BEM549
All Nissan tunes- Nissan Juke2020+1.6 hybridAutoTuner
- Nissan Pathfinder2021+R53 · 3.5 V6AutoTuner
- Nissan Roox2020+0.6 TurboAutoTuner
- Nissan Versa2020+1.6iAutoTuner
About Hitachi BEM549 tuning
The Hitachi BEM549 engine control unit is supported in 5 models from Infiniti, Nissan. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.