Hitachi BEM542 ECU Tuning
Engine control unit used in 7 supported models from 2 makes.
Dacia with the Hitachi BEM542
All Dacia tunes- Dacia Duster2024+III · 1.6 SCEAutoTuner
- Dacia Jogger2022+1.6 SCEAutoTuner
- Dacia Sandero2020+III · 1.6 E-tech PHEV, 1.6 SCEAutoTuner
Renault with the Hitachi BEM542
All Renault tunes- Renault Arkana2020+1.6 E-techAutoTuner
- Renault Captur / QM32019+II · 1.6 E-tech PHEV, 1.6 SCEAutoTuner
- Renault Clio2019+V, V (II) · 1.6 E-tech, 1.6 SCEAutoTuner
- Renault Megane2020+IV (II) · 1.6 E-tech PHEVAutoTuner
About Hitachi BEM542 tuning
The Hitachi BEM542 engine control unit is supported in 7 models from Dacia, Renault. 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.