Hitachi BEDxxx/MECxxx ECU Tuning
Engine control unit used in 30 supported models from 3 makes.
Infiniti with the Hitachi BEDxxx/MECxxx
All Infiniti tunes- Infiniti EX2008+3.5 V6, 3.7 V6, 35 (3.5i V6)AutoTuner
- Infiniti FX2006+3.5 V6, 3.7 V6, 35 (3.5i V6), 37 (3.7i V6), 50 (5.0 V8)AutoTuner
- Infiniti G2007+3.5 V6, 25 (2.5 V6), 35 (3.5i V6), 37 (3.7i V6)AutoTuner
- Infiniti M2008+35 (3.5i V6), 37 (3.7i V6), 56 (5.6i V8)AutoTuner
- Infiniti Q502016+3.5 V6, 3.7 V6AutoTuner
- Infiniti Q702015+3.7 V6, 5.6i V8AutoTuner
- Infiniti QX502015+3.7 V6AutoTuner
- Infiniti QX562011+56 (5.6i V8)AutoTuner
- Infiniti QX702007+3.7 V6, 50 (5.0 V8), 56 (5.6i V8)AutoTuner
- Infiniti QX802016+56 (5.6i V8)AutoTuner
Nissan with the Hitachi BEDxxx/MECxxx
All Nissan tunes- Nissan 350Z2003+3.5 V6AutoTuner
- Nissan 370Z2009+3.7 V6, 3.7 V6 NismoAutoTuner
- Nissan Almera2010+1.2 12vAutoTuner
- Nissan Cube2009+1.8AutoTuner
- Nissan GTR2008+3.8 TAutoTuner
- Nissan Juke2010+1.6 DIG-T, 1.6i 16v, 1.6T, 1.6T NismoAutoTuner
- Nissan Kicks2016+P15-D15, P16 · 2.0iAutoTuner
- Nissan Micra2010+1.2 12vAutoTuner
- Nissan Murano2009+3.5 V6AutoTuner
- Nissan Note2013+1.2 12vAutoTuner
- Nissan Pathfinder2005+R51, R52 · 3.5 V6, 4.0i V6, 5.6i V8AutoTuner
- Nissan Patrol2003+4.0i V6, 5.6i V8AutoTuner
- Nissan Pulsar2014+1.6 DIG-TAutoTuner
- Nissan Qashqai2006+J10, J11, J11-2 · 1.6 DIG-T, 1.6i 16v, 2.0iAutoTuner
- Nissan Sentra2006+B16, B17 · 1.6 DIG-T, 1.8, 2.0iAutoTuner
- Nissan Tiida2011+1.6 DIG-TAutoTuner
- Nissan Wingroad2005+1.5 16v VVT, 1.6i 16v, 1.8AutoTuner
- Nissan X-Trail2007+II, III, III (II) · 1.6 DIG-T, 2.0iAutoTuner
Renault with the Hitachi BEDxxx/MECxxx
All Renault tunes- Renault Clio2005+III · 2.0i 16VAutoTuner
- Renault Vel Satis2002+3.5 V6AutoTuner
About Hitachi BEDxxx/MECxxx tuning
The Hitachi BEDxxx/MECxxx engine control unit is supported in 30 models from Infiniti, 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.