VAG 1.4 TSI ECU Tuning & Remapping
Covers the VAG group: Volkswagen, Audi, Škoda, SEAT, Cupra.
Professional ECU tuning and remapping for the VAG 1.4 TSI petrol engine. Our dyno-tested Stage 1 and Stage 2 calibrations sharpen throttle response and power delivery, with options such as Pop & Bang, GPF/OPF off and limiter changes for supported ECUs.
Performance Gains (Dyno-Tested)
| Engine | Stock | Tuned | HP Gain | Torque Gain | ECU |
|---|---|---|---|---|---|
| 1.4 TSI | 122 cv | 143 cv | +21 hp | +48 Nm | MED17 |
| 1.4 TSI | 125 cv | 157 cv | +32 hp | +58 Nm | MED17.5.25 |
| 1.4 TSI | 150 cv | 171 cv | +21 hp | +48 Nm | MED17.5.25 |
| 1.4 TSI | 150 cv | 187 cv | +37 hp | +42 Nm | MED17.5.5 |
| 1.4 TSI | 160 cv | 192 cv | +32 hp | +37 Nm | MED17.5.5 |
| 1.4 TSI | 180 cv | 201 cv | +21 hp | +42 Nm | MED17.5.5 |
Figures are dyno-tested averages and may vary with hardware condition and fuel quality.
Available ECU Services for this Engine
The following solutions are supported on the ECU(s) of this vehicle (Petrol):
Technical Notes per ECU
Disconnection and read requirements differ by ECU. The notes below apply to the specific ECU listed; the exact removal scope per service is confirmed on each service page.
Each note is tagged with the service it refers to and applies to the ECU it is listed under. Mechanical preparation is the installer's responsibility. Emission-related solutions are for off-road or motorsport use where permitted by law.
Supported ECU(s): MED17, MED17.5.25, MED17.5.5
Related: Tuning price list · Performance database · ECU service coverage · ECU Remapping
Frequently Asked Questions
How much power can a VAG 1.4 TSI gain with Stage 1 tuning?
Stage 1 ECU tuning for the VAG 1.4 TSI can add up to +37 hp and +58 Nm of torque, based on dyno-tested calibrations. Actual figures depend on the exact engine variant and hardware condition.
Can GPF/OPF be removed on the VAG 1.4 TSI?
GPF/OPF off is supported on the ECU(s) of this vehicle, strictly for off-road or motorsport use where permitted by law. The exact mechanical preparation and sensor handling are listed per ECU in the technical notes below.
How do I order and how fast is the tuning file delivered?
Upload your original ECU read through the tuning page and receive the calibration by email. Most files are delivered within 5-15 minutes during working hours (daily, 07:00-23:00 CET).
Is the VAG 1.4 TSI tuning file plug-and-play?
You receive a ready-to-flash calibration based on your original file. Flashing it back to the ECU and any related mechanical preparation are handled by the installer with their own tools.
Order your VAG 1.4 TSI tuning file
Upload your original ECU file and receive a professional calibration in 5-15 minutes.
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