Renault MEGANE 4 ECU remapping
7 files available

About remapping
This entry groups Renault Mégane fourth-generation units recorded under a numeric designation, with 7 files in our catalogue. The 1.2 TCe leads, with the 1.6 TCe GT 205 alongside and the 1.5 BlueDCi and 1.6 dCi diesels also present.
Stage 1 accounts for all 7 files — a completely clean profile with no maintenance work at all. The ECUs are EMS3155, BED4.34, MD1CS006 and EDC17C84.
Model highlights
- ›7 Stage 1 files: a completely clean performance profile.
- ›The 1.2 TCe leads, with the 1.6 TCe GT 205 alongside.
- ›Coverage of the 1.5 BlueDCi and 1.6 dCi diesels.
- ›ECUs limited to EMS3155, BED4.34, MD1CS006 and EDC17C84.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 1.8 TCe RS | Petrol | 280 hp | 310 hp +30 | — |
| 2.0 T RS Trophy | Petrol | 275 hp | 300 hp +25 | 324 hp +49 |
| 2.0 T RS | Petrol | 250 hp | 300 hp +50 | 325 hp +75 |
| 2.0 T RS R26 | Petrol | 230 hp | 258 hp +28 | 268 hp +38 |
| 2.0 TCe | Petrol | 220 hp | 290 hp +70 | 312 hp +92 |
| 1.6 TCe GT | Petrol | 205 hp | 225 hp +20 | — |
| 1.6 dCi | Diesel | 165 hp | 180 hp +15 | — |
| 2.0 T | Petrol | 163 hp | 200 hp +37 | — |
| 2.0 dCi FAP | Diesel | 160 hp | 190 hp +30 | — |
| 2.0 dCi Cabriolet | Diesel | 150 hp | 179 hp +29 | — |
| 2.0 dCi Grandour | Diesel | 150 hp | 179 hp +29 | — |
| 2.0 16V CVT | Petrol | 143 hp | 159 hp +16 | — |
| 2.0 16v | Petrol | 140 hp | 153 hp +13 | — |
| 1.9 dCi FAP | Diesel | 130 hp | 160 hp +30 | — |
| 1.9 dCi | Diesel | 120 hp | 150 hp +30 | — |
| 1.5 Blue dCi | Diesel | 115 hp | 140 hp +25 | — |
| 2.0 | Petrol | 114 hp | 130 hp +16 | — |
| 1.6 16V VVT | Petrol | 110 hp | 122 hp +12 | — |
| 1.5 Energy dCi | Diesel | 110 hp | 133 hp +23 | — |
| 1.6 16v | Petrol | 110 hp | 120 hp +10 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
1.9 dCi
ECUs
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
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
Are you a driver?
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Log in as a professionalFrequently asked questions
How does this differ from the Mégane IV entry?
It is the same generation recorded under a numeric designation in our history. Each group covers different units, so check both.
What is the GT 205?
It is the sporting version of this generation, with the 1.6 TCe turbocharged petrol. It is present in our catalogue.
Is the work reversible?
Yes. We always keep the original ECU file, so the car can be returned to its factory configuration.
