Nissan GT-R ECU remapping
26 files available
About remapping
The Nissan GT-R accounts for 26 files in our catalogue, entirely the 3.8 V6 twin-turbo DOHC. It is the marque's flagship performance car, with all-wheel drive and a reputation built on outright pace.
Stage 1 makes up 12 files, with 7 Stage 2, one Stage 3 and one speed limiter removal — a genuinely sporting profile. The ECUs include MEC125070, MEC125XXX, BEDXXX and Hitachi references.
Model highlights
- ›12 Stage 1 files and 7 Stage 2 on a genuinely sporting base.
- ›One Stage 3 file for heavily modified cars.
- ›Entirely the 3.8 V6 twin-turbo DOHC.
- ›ECUs including MEC125070, MEC125XXX, BEDXXX and Hitachi references.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 3.8L V6 TT | Petrol | 570 hp | 582 hp +12 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
3.8L V6 TT
ECUs
Generations covered
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
Stage 2
Remap for vehicles with mechanical upgrades (intake, exhaust, intercooler…).
Speed limiter removal
Removal of the factory speed limiter.
Stage 3
Setup for high-performance modifications on specific hardware.
Why remap with Repromatronic
- ✓More power and torque with engine-safe tuning
- ✓Sharper throttle response and nicer driving
- ✓Potential fuel savings in normal driving
- ✓Files built from the original and 100% reversible
- ✓Made by technicians with thousands of projects behind them
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Log in as a professionalFrequently asked questions
How much does the 3.8 twin-turbo take?
It is one of the most modifiable engines in production, with substantial headroom. Stage 1 works with standard hardware; beyond that, hardware matters.
What is Stage 3?
It is the highest level, for cars with substantial hardware modification such as larger turbos. Only one file in this group reaches it.
Does it affect the all-wheel-drive system?
The work is done on the engine ECU. On a car with this much torque we always work within what the drivetrain handles safely.