Audi A3 1.8 125(8l)
Engine Remapping in Midwales
Audi A3 1.8 125(8l) in Midwales. 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
Audi A3 1.8 125(8l): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+18 bhp · +14%- Standard125 bhp
- Remapped143 bhp
Torque
+46 Nm · +27%- Standard170 Nm
- Remapped216 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
Out of the box the Audi A3 1.8 125(8l) gives 125 bhp and 170 Nm. Remapped in Midwales, we record 143 bhp and 216 Nm, so 18 bhp and 46 Nm more, or 14% and 27% respectively.
These are indicative figures for a petrol Audi A3 in good health. Your own results depend on the condition of the car.
Audi A3 1.8 125(8l) power and torque after remapping
- Fuel: Petrol
- Standard power: 125 bhp, remapped: 143 bhp (+18 bhp, +14%)
- Standard torque: 170 Nm, remapped: 216 Nm (+46 Nm, +27%)
- Service: stage 1 ECU remap, fully dyno tested
How engine remapping works on a petrol Audi A3
Factory petrol calibrations leave margin for poor fuel and hot climates. A remap tunes the ignition, fuelling and boost maps to make better use of that margin, which shows up as livelier throttle response and stronger acceleration.
How the Audi A3 1.8 125(8l) compares
Ranked by power gain against the other petrol A3 engines (13 in total), the 1.8 125(8l) is 11th, 15 bhp below the A3 petrol average of 33 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 18 bhp and 46 Nm sits below that benchmark.
Audi A3 engine tuning in Midwales
Based around Midwales, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Llanidloes, Welshpool, Newtown, Machynlleth and Llandrindod Wells and nearby areas of Wales.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.
If you are closer to Gwent, Cardiff and Chester, those neighbouring Remap Experts sites can help too.

Want these figures on your Audi A3 1.8 125(8l)?
Tell us about your car and we will come back with a quote by SMS or phone.
Included
What we can do for your Audi A3
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.
Same model
Other A3 engines
- Audi A3 1.4 TFSI 125(8p)petrol
- Audi A3 1.6 102(8p)petrol
- Audi A3 1.6 FSI 115(8p)petrol
- Audi A3 1.8 TFSI 160(8p) 2008 onpetrol
- Audi A3 1.8t 150(8l)petrol
- Audi A3 1.8t 180(8l)petrol
- Audi A3 2.0 FSI 150(8p)petrol
- Audi A3 2.0 TFSI 200(8p)petrol
- Audi A3 2.0 TFSI 265(8p)petrol
- Audi A3 3.2 V6 250(8p)petrol
- Audi A3 S3 1.8t 210(8l)petrol
- Audi A3 S3 1.8t 225(8l)petrol
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