Your Vehicle
Seat Leon 1.4 TSI 125hp (CZCA)
Technical Specifications
Power hp
Torque Nm
Power Graph
Seat Leon 1.4 TSI 125hp (CZCA): da 125 a 155HP
Remapping Seat Leon
MasterTuning is a leader in developing remapping for Seat. La Seat Leon 1.4 TSI 125hp (CZCA) può passare da 125 HP a 155 HP con un incremento di 30 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Seat Leon 1.4 TSI 125hp (CZCA)
The Seat Leon 1.4 TSI 125hp (CZCA) is equipped with a petrol engine that produces 125 HP and 200 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Seat can achieve 155 HP (+24%) and 270 Nm (+35%).
Our Stage 1 tuning for the Leon 5F MK1 - 2012 - 2017 delivers an impressive gain of +30 HP and +70 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code CZCA identifies this specific powerplant configuration. The Bosch MED17.5.25 / Bosch MED17.5.21 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The Leon's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.
Technical Specifications — Seat Leon 1.4 TSI 125hp (CZCA)
Factory technical data for the Seat Leon 1.4 TSI 125hp (CZCA) (5F MK1 - 2012 - 2017), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | CZCA |
|---|---|
| ECU / Control unit | Bosch MED17.5.25 / Bosch MED17.5.21 |
| Fuel | Benzina |
| Compression ratio | 10.5 |
| Bore × stroke | 74.5 X 80.0 mm |
| Stock power | 125 HP · 200 Nm |
| Remapped power (Stage 1) | 155 HP (+30) · 270 Nm (+70) |
Frequently Asked Questions - Seat Leon
How much power can I gain from remapping my Seat Leon?
With MasterTuning Stage 1, your Seat Leon 1.4 TSI 125hp (CZCA) can gain +30 HP (from 125 to 155 HP) and +70 Nm of torque. This represents a 24% increase in power.
Is ECU remapping safe for the Seat Leon engine?
Yes, MasterTuning's remapping for the Seat Leon 1.4 TSI 125hp (CZCA) is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the CZCA engine.
Is the Seat ECU remapping reversible?
Absolutely. The original factory calibration of your Seat Leon is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Seat warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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