This Stage 1 tuning file is precisely engineered for the modern Seat Leon 1.4 TSI with the CZCA engine, managed by the Bosch MED17.5.25 ECU. This calibration is designed to enhance the driving pleasure by making the responsive TSI engine even more engaging and lively.
Our remap focuses on improving throttle response for a more direct connection between the driver and the car. We optimize the boost and fuel maps to deliver a stronger and more linear power curve, making acceleration feel more urgent and satisfying. This tune provides a noticeable performance uplift for daily driving, turning the Leon into a more exciting and fun-to-drive hatchback, all while maintaining factory safety parameters.
Our remap focuses on improving throttle response for a more direct connection between the driver and the car. We optimize the boost and fuel maps to deliver a stronger and more linear power curve, making acceleration feel more urgent and satisfying. This tune provides a noticeable performance uplift for daily driving, turning the Leon into a more exciting and fun-to-drive hatchback, all while maintaining factory safety parameters.
Overview Feature list Copyright info Releases (1) Discussion
| Parameter | Value |
|---|---|
| Producer: | Seat |
| Series: | Leon |
| Model: | 1.4 TSI (CZCA) |
| Model Year: | 2016 |
| Type (Engine): | Turbo-Petrol |
| Displacement: | 1.4 L |
| Output: | 125 PS / 91.9 kW |
| Gearbox: | Manual transmission |
| ECU Maker: | Bosch |
| ECU Build: | MED17.5.25 |
| ECU-Nr Prod: | 04E906027HB |
| Software: | 006816 |
| SW-Version: | 2833 |
| Checksum: | N/A |
| Eprom 8-Bit sum: | 4AAD |
| Nested Versions: | 1 modified version included (Stage 1) + Original for reference |
| Project Type: | Complete binary file |
| Details: | St1 |
| Project Size: | 4 194 304 bytes |
| Read Hardware: | CMD OBD |
All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer. Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website. These files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without first confirming mechanical condition. The seller accepts no responsibility for misuse or non-compliant road use.