Hitachi BED434 ECU Tuning
Engine control unit used in 11 supported models from 2 makes.
Nissan with the Hitachi BED434
All Nissan tunes- Nissan Juke2010+1.6 DIG-T, 1.6T NismoAutoTuner
- Nissan Pulsar2014+1.6 DIG-TAutoTuner
- Nissan Qashqai2013+J11, J11-2 · 1.6 DIG-TAutoTuner
- Nissan Sentra2006+B16, B17 · 1.6 DIG-TAutoTuner
- Nissan Tiida2011+1.6 DIG-TAutoTuner
- Nissan X-Trail2014+III, III (II) · 1.6 DIG-TAutoTuner
Renault with the Hitachi BED434
All Renault tunes- Renault Espace2014+V · 1.6 TCE, 1.8 TCE GPFAutoTuner
- Renault Kadjar2015+I · 1.6 TCEAutoTuner
- Renault Koleos2017+1.6 TCEAutoTuner
- Renault Megane2016+IV · 1.6 TCE, 1.8 TCE GPFAutoTuner
- Renault Talisman2015+1.6 TCE, 1.8 TCE GPFAutoTuner
About Hitachi BED434 tuning
The Hitachi BED434 engine control unit is supported in 11 models from Nissan, 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.