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Seat Leon 1.4 TSI 125hp

1P - 2005 - 2012

125 Original HP
150 Modified HP
200 Original NM
265 Modified NM
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Seat Leon

Seat Leon 1P - 2005 - 2012 1.4 TSI 125hp

Key Specifications

Generazione 1P - 2005 - 2012
Carburante Petrol
Codice motore CAXC
ECU Bosch MED17.5.20 / Bosch MED17.5.5
Rapporto compressione 9.7:1
Alesaggio x Corsa 76.5 X 75.4 mm
Power 125 → 150 hp +25 hp
Torque 200 → 265 Nm +65 Nm
Power
150 HP
+25 HP (+20%)
Original 125 HP
Stage 1 150 HP
Torque
265 NM
+65 NM (+32.5%)
Original 200 NM
Stage 1 265 NM

Power Graph

Original Power 125HP
Original Torque 200Nm
Power After Remap 150HP
Torque After Remap 265Nm

Discover Our Tuning Solutions

Frequently Asked Questions - Seat Leon

The cost of Stage 1 tuning for Seat Leon 1.4 TSI 125hp varies depending on the ECU (Bosch MED17.5.20 / Bosch MED17.5.5) and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for Seat Leon typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 125 to 150 HP (+20%) is within safe parameters.

With Stage 1 tuning, Seat Leon goes from 125 HP to 150 HP (+25 HP) and from 200 Nm to 265 Nm (+65 Nm).

Stage 2 increases power from 125 HP to 160 HP (+35 HP). It typically requires additional hardware modifications such as sports exhaust or downpipe.

Stage 1 remapping takes it from 125 HP to 150 HP (+25 HP, +20%) and torque from 200 Nm to 265 Nm (+65 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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Seat
Seat Leon 1.4 TSI 125hp
+25 HP
150 HP