Audi A3 1.8 125(8l)
Engine Tuning Belfast
Audi A3 1.8 125(8l) in Belfast. 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
The Audi A3 1.8 125(8l) produces 125 bhp and 170 Nm of torque as standard. After a stage 1 ECU remap in Belfast, our figures show 143 bhp and 216 Nm: a gain of 18 bhp (14%) and 46 Nm (27%).
Treat the numbers as a guide: they are stage 1 estimates for a petrol Audi A3 in sound condition, and individual cars differ.
Audi A3 1.8 125(8l) remap figures
- 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
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.
Audi A3 1.8 125(8l) against other A3 engines
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.
Book vehicle tuning for your Audi A3 in Belfast
This is the Belfast site of the Remap Experts network, serving local drivers. We regularly work with drivers in Holywood, Newtownabbey, Millisle, Lisburn and Dunmurry and nearby areas of Northern Ireland.
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 Glasgow, Scotland and Carlisle, those neighbouring Remap Experts sites can help too.

Get a quote for 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