SEAT 1.2 TSI S&S Tuning
Supported in 3 SEAT models, 2012+.
SEAT
20 supported 1.2 TSI S&S applications
Models With the SEAT 1.2 TSI S&S
All Supported SEAT 1.2 TSI S&S Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Ibiza | 2015+ | 6J-FL | 110 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Ibiza | 2015+ | 6J-FL | 90 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Ibiza | 2015+ | 6J-FL | 110 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Ibiza | 2015+ | 6J-FL | 110 hp | TCU Temic DQ200G2 | AutoTuner |
| Ibiza | 2015+ | 6J-FL | 110 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2017+ | 5F MK2 | 110 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 110 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 110 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2017+ | 5F MK2 | 110 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2013+ | 5F MK1 | 110 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 110 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 110 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 110 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2013+ | 5F MK1 | 85 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Leon | 2013+ | 5F MK1 | 85 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Toledo | 2012+ | KG | 110 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Toledo | 2012+ | KG | 110 hp | ECU Bosch MED17.5.25 | AutoTuner |
| Toledo | 2012+ | KG | 110 hp | TCU Temic DQ200G2 | AutoTuner |
| Toledo | 2012+ | KG | 110 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Toledo | 2012+ | KG | 90 hp | ECU Bosch MED17.5.25 | AutoTuner |
About SEAT 1.2 TSI S&S tuning
We tune the SEAT 1.2 TSI S&S in 20 applications across the Ibiza, Leon, Toledo, from 2012+, in gasoline form, with stock outputs of 85-110 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Bosch MED17.5.21, Bosch MED17.5.25, Temic DQ200 (MQB), Temic DQ200G2.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.