Audi A3 1.8 125(8l)
ECU Remapping
Audi A3 1.8 125(8l). 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
ECU remapping for the Audi A3 1.8 125(8l) takes it from 125 to 143 bhp and from 170 to 216 Nm in our stage 1 figures: +18 bhp (14%) and +46 Nm (27%).
The figures above are estimates for a standard, well-maintained Audi A3 petrol; they are not a guarantee of any particular result.
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
What a remap does for a petrol Audi A3
A petrol remap re-works the engine management calibration: air-fuel ratio, ignition advance and boost where fitted. The result is more power and a more immediate throttle, delivered by software rather than hardware changes.
How the Audi A3 1.8 125(8l) compares
Among the 13 petrol A3 engines we have figures for, the 1.8 125(8l) ranks 11th for power gain, 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 ECU tuning
Remap Experts is a UK network of local remapping sites. Use Find a Local Tuner to reach your nearest site and get an exact quote.
Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.

Want these figures on your Audi A3 1.8 125(8l)?
Send your details and a specialist will confirm what is possible for your engine.
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