Seat Altea 1.4 TSI 125
ECU Remapping Devon
Seat Altea 1.4 TSI 125 in Devon. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Seat Altea 1.4 TSI 125: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+38 bhp · +30%- Standard125 bhp
- Remapped163 bhp
Torque
+85 Nm · +43%- Standard200 Nm
- Remapped285 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
What does a remap do for the Seat Altea 1.4 TSI 125? Our figures show power up from 125 to 163 bhp (+30%) and torque up from 200 to 285 Nm (+43%), a stage 1 result you can book in Devon.
Treat the numbers as a guide: they are stage 1 estimates for a petrol Seat Altea in sound condition, and individual cars differ.
Seat Altea 1.4 TSI 125 remap figures
- Fuel: Petrol
- Standard power: 125 bhp, remapped: 163 bhp (+38 bhp, +30%)
- Standard torque: 200 Nm, remapped: 285 Nm (+85 Nm, +43%)
- Service: stage 1 ECU remap, fully dyno tested
Petrol Seat Altea: what changes with a remap
Petrol engines are remapped by refining fuelling, ignition timing and, on turbocharged engines, boost control. Done carefully this releases performance the manufacturer left in reserve, giving sharper throttle response and a stronger top end.
For reference, TSI and TFSI are the Volkswagen Group names for its turbocharged direct-injection petrol engines.
Seat Altea 1.4 TSI 125 against other Altea engines
Among the 6 petrol Altea engines we have figures for, the 1.4 TSI 125 ranks 3rd for power gain, 8 bhp above the Altea petrol average of 30 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 38 bhp and 85 Nm sits at or above that benchmark.
Seat Altea chip tuning in Devon
Drivers in Devon book through the Devon Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Paignton, Tiverton, Teignmouth, Plymouth and Newton Abbot and nearby areas of the South West.
Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty. Call 0800 779 7864 for a quote.
If you are closer to Cornwall, Somerset and Bristol, those neighbouring Remap Experts sites can help too.

Get a quote for your Seat Altea 1.4 TSI 125
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Seat Altea
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide