Considering an ECU remap for your Ford Focus 1.8i 125hp? A Stage 1 remap can take this 2004 - 2010 petrol engine from 125 BHP to 135 BHP and from 165 Nm to 180 Nm of torque (naturally aspirated). This engine scores 4/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Ford Focus can achieve.
The Ford Focus 1.8i 125hp is a 1.8L naturally aspirated petrol engine producing 125 BHP and 165 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 135 BHP and 180 Nm — a gain of around 10 BHP (8%) and 15 Nm (9%).
This engine has limited remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
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 |
|---|---|---|---|---|---|
| 1.4i 80hp | 80 → 87 | +7 | 124 → 135 | +11 | Moderate (4/10) |
| 90 → 120 |
| +30 |
| 200 → 260 |
| +60 |
| Excellent (8/10) |
| 1.6 TDCi 100hp | 100 → 130 | +30 | 215 → 290 | +75 | Excellent (8/10) |
| 1.6i 16v 100hp | 100 → 112 | +12 | 145 → 150 | +5 | Moderate (4/10) |
| 1.6 TDCi 109hp | 109 → 140 | +31 | 245 → 315 | +70 | Good (7.5/10) |
| 2.0 TDCi 110hp | 110 → 175 | +65 | 250 → 400 | +150 | Excellent (8/10) |
| 1.8 TDCi 115hp | 115 → 145 | +30 | 280 → 350 | +70 | Good (7.5/10) |
| 1.6 Ti-VCT 115hp | 115 → 140 | +25 | 155 → 175 | +20 | Moderate (5/10) |
| 2.0 TDCi 136hp | 136 → 175 | +39 | 320 → 400 | +80 | Good (7.5/10) |
| 2.0i 16v 145hp | 145 → 155 | +10 | 185 → 203 | +18 | Moderate (4/10) |
| 2.5 Turbo ST 225hp | 225 → 255 | +30 | 320 → 400 | +80 | Good (7/10) |
| RS 305hp | 305 → 350 | +45 | 440 → 540 | +100 | Moderate (5/10) |
| RS500 350hp | 350 → 370 | +20 | 460 → 560 | +100 | Moderate (4.5/10) |
Get a personalised remap quote for your Ford Focus. 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.
