Variant 1
ECU- Catalog engine
- 3700 325HP
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 325 HP
- ECU HW
- 7MFVGUNP
- SW upgrade
- 1JL03A
- Calibration
- 1JL03A
INFINITI · MEC100 ECU
INFINITI G37 MEC100 tuning files
Everything we work with on the INFINITI G37 fitted with the MEC100. Across the matched variants stock power runs from 300 to 325 HP. 9 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Applicable work for the MEC100 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
9 distinct variants for the INFINITI G37 on the MEC100 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3700 325HP
- Engine code
- VQ37VHR
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 325 HP
- ECU HW
- 7MFVK8NR
- SW upgrade
- 1JK82E
- Calibration
- 1JK82E
Variant 3
ECU- Catalog engine
- 3700 325HP
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 325 HP
- ECU HW
- 7MFV68NV
- SW upgrade
- 1JK79C
- Calibration
- 1JK79C
Variant 4
ECU- Catalog engine
- 3700 24V 320HP
- Generation
- All
- Matched gains engine
- 3.7 V6 320
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 320 HP
- Stage 1 power
- 350 HP
- Power increase
- +30 HP (+9%)
- Stock torque
- 366 Nm
- Stage 1 torque
- 385 Nm
- Torque increase
- +19 Nm (+5%)
- ECU HW
- 7MFVH3NM1
- SW upgrade
- 1JK73B
- Calibration
- 1JK73B
Variant 5
ECU- Catalog engine
- 3700 24V 320HP
- Generation
- All
- Matched gains engine
- 3.7 V6 320
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 320 HP
- Stage 1 power
- 350 HP
- Power increase
- +30 HP (+9%)
- Stock torque
- 366 Nm
- Stage 1 torque
- 385 Nm
- Torque increase
- +19 Nm (+5%)
Variant 6
ECU- Catalog engine
- 3700 320HP
- Generation
- All
- Matched gains engine
- 3.7 V6 320
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 320 HP
- Stage 1 power
- 350 HP
- Power increase
- +30 HP (+9%)
- Stock torque
- 366 Nm
- Stage 1 torque
- 385 Nm
- Torque increase
- +19 Nm (+5%)
- ECU HW
- 7MFVHJNQ
- SW upgrade
- 1JL33B
- Calibration
- 1JL33B
Variant 7
ECU- Catalog engine
- 3700 320HP
- Generation
- All
- Matched gains engine
- 3.7 V6 320
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 320 HP
- Stage 1 power
- 350 HP
- Power increase
- +30 HP (+9%)
- Stock torque
- 366 Nm
- Stage 1 torque
- 385 Nm
- Torque increase
- +19 Nm (+5%)
Variant 8
ECU- Catalog engine
- 3500 300HP
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 300 HP
Variant 9
ECU- Catalog engine
- 3500 300HP
- Controller brand
- HITACHI
- ECU
- MEC100
- Stock power
- 300 HP
- ECU HW
- 7MFVHJNQ
- SW upgrade
- 1JK91B
- Calibration
- 1JK91B
Related vehicles
Other vehicles built on the MEC100 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the INFINITI G37 on the MEC100?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the MEC100 ECU software on this model?
Yes — the INFINITI G37 on the MEC100 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.