Considering an ECU remap for your Audi A4 1.4 TFSI 125hp? A Stage 1 remap can take this B8 - 2012 - 2015 petrol engine from 125 BHP to 145 BHP and from 200 Nm to 250 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Audi A4 can achieve.
The Audi A4 1.4 TFSI 125hp is a 1.4L turbocharged petrol engine producing 125 BHP and 200 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 145 BHP and 250 Nm — a gain of around 20 BHP (16%) and 50 Nm (25%).
This engine scores highly for remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch MED17 (likely), and the transmission is manual and dsg/s tronic automatics are common depending on model/engine..
Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 2.0 TDI CR 120hp | 120 → 185 | +65 | 290 → 410 | +120 |
| 1.8 TFSI 120hp | 120 → 210 | +90 | 230 → 340 | +110 | Excellent (8/10) |
| 2.0 TDI CR 136hp | 136 → 185 | +49 | 320 → 410 | +90 | Excellent (8/10) |
| 2.0 TDI CR 143hp | 143 → 185 | +42 | 320 → 410 | +90 | Good (7.5/10) |
| 2.0 TDI CR 150hp | 150 → 185 | +35 | 320 → 410 | +90 | Good (7.5/10) |
| 1.8 TFSI 160hp | 160 → 210 | +50 | 250 → 340 | +90 | Excellent (8/10) |
| 2.0 TDI CR 163hp | 163 → 205 | +42 | 350 → 430 | +80 | Good (7.5/10) |
| 1.8 TFSI 170hp | 170 → 220 | +50 | 320 → 380 | +60 | Good (7.5/10) |
| 2.0 TDI CR 177hp | 177 → 225 | +48 | 380 → 460 | +80 | Good (7.5/10) |
| 2.0 TFSI 180hp | 180 → 260 | +80 | 320 → 400 | +80 | Excellent (8.5/10) |
| 2.0 TDI CR 190hp | 190 → 225 | +35 | 400 → 460 | +60 | Good (7/10) |
| 3.0 V6 TDI FW 204hp | 204 → 270 | +66 | 400 → 600 | +200 | Excellent (8/10) |
| 2.0 TFSI 211hp | 211 → 260 | +49 | 350 → 400 | +50 | Good (7/10) |
| 2.0 TFSI 225hp | 225 → 300 | +75 | 350 → 450 | +100 | Excellent (8/10) |
| 3.0 V6 TDI 245hp | 245 → 300 | +55 | 500 → 650 | +150 | Good (7.5/10) |
| 3.0 TFSI 272hp | 272 → 435 | +163 | 400 → 520 | +120 | Excellent (8/10) |
| S4 3.0 TFSI 333hp | 333 → 400 | +67 | 440 → 520 | +80 | Good (6.5/10) |
| RS4 4.2 V8 FSI 450hp | 450 → 470 | +20 | 430 → 450 | +20 | Limited (3/10) |
Get a personalised remap quote for your Audi A4. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.
