Kia Optima ECU remapping
57 files available

About remapping
The Kia Optima accounts for 57 files in our catalogue, dominated by the 1.7 CRDi diesel including the 141 hp version, with the 2.0 GDI Turbo and 1.6 T-GDI petrol units alongside. It is a mid-size saloon aimed at the European business market.
Stage 1 makes up 56 files — an exceptionally clean profile — followed by just 6 EGR off. The ECUs include EDC17C08, EDC17C53 and EDC17C57 on the diesels, plus SIM2K245 and SIM2K250 on the petrol versions.
Model highlights
- ›56 Stage 1 files of 57 total: an exceptionally clean performance profile.
- ›The 1.7 CRDi diesel dominates the catalogue.
- ›Coverage of the 2.0 GDI Turbo and 1.6 T-GDI petrol units.
- ›ECUs including EDC17C08, EDC17C53, EDC17C57, SIM2K245 and SIM2K250.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 2.0T | Petrol | 245 hp | 270 hp +25 | — |
| 1.7 CRDi | Diesel | 136 hp | 165 hp +29 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
1.7 CRDi
ECUs
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
EGR off
EGR valve management to reduce soot issues and improve response.
DPF off
Particulate filter solution: no more regenerations or blockage warnings.
Speed limiter removal
Removal of the factory speed limiter.
Pops & bangs
Pops & bangs exhaust effect (on lift-off and gear changes).
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 the 1.7 CRDi respond?
It gains mainly in mid-range flexibility, which suits a saloon covering high mileage. The map is kept measured to preserve reliability.
Do you cover the petrol turbo versions?
Yes, the 2.0 GDI Turbo and 1.6 T-GDI are present in our catalogue and offer more outright headroom.
Is the work reversible?
Yes. We always keep the original ECU file, so the car can be returned to its factory configuration.
