Considering an ECU remap for your BMW Z3 M 3.2 321hp? A Stage 1 remap can take this All petrol engine from 321 BHP to 350 BHP and from 350 Nm to 380 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 BMW Z3 can achieve.
The BMW Z3 M 3.2 321hp is a 3.2L naturally aspirated petrol engine producing 321 BHP and 350 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 350 BHP and 380 Nm — a gain of around 29 BHP (9%) and 30 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 |
|---|---|---|---|---|---|
| 1.8i 118hp | 118 → 129 | +11 | 180 → 200 | +20 | Moderate (4.5/10) |
| 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 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.
