Considering an ECU remap for your BMW Z3 1.8i 118hp? A Stage 1 remap can take this All petrol engine from 118 BHP to 129 BHP and from 180 Nm to 200 Nm of torque (naturally aspirated). This engine scores 4.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW Z3 can achieve.
The BMW Z3 1.8i 118hp is a 1.8L naturally aspirated petrol engine producing 118 BHP and 180 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 129 BHP and 200 Nm — a gain of around 11 BHP (9%) and 20 Nm (11%).
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 moderate, 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 |
|---|---|---|---|---|---|
| 2.0i 150hp | 150 → 165 | +15 | 190 → 210 | +20 | Moderate (4.5/10) |
| 2.2i 170hp |
| 170 → 185 |
| +15 |
| 210 → 235 |
| +25 |
| Moderate (4.5/10) |
| 2.8i 193hp | 193 → 211 | +18 | 280 → 310 | +30 | Moderate (4.5/10) |
| 3.0i 231hp | 231 → 246 | +15 | 300 → 325 | +25 | Moderate (4/10) |
| M 3.2 321hp | 321 → 350 | +29 | 350 → 380 | +30 | Moderate (4/10) |
| M 3.2 325hp | 325 → 350 | +25 | 350 → 380 | +30 | Moderate (4/10) |
Get a personalised remap quote for your BMW Z3. 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.
