Considering an ECU remap for your BMW Z4 2.3i 204hp? A Stage 1 remap can take this E89 - 2009 - 2018 petrol engine from 204 BHP to 219 BHP and from 250 Nm to 275 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 Z4 can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The BMW Z4 2.3i 204hp is a 2.5L naturally aspirated petrol engine producing 204 BHP and 250 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 219 BHP and 275 Nm — a gain of around 15 BHP (7%) and 25 Nm (10%).
This engine has limited 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 limited, based on the percentage gain available from the factory output.
From a technical perspective, the transmission is many variants use zf 5/6-speed automatics (where fitted); manuals also exist..
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 156hp | 156 → 260 | +104 | 270 → 380 | +110 | Good (6.5/10) |
| 2.0i 163hp | 163 → 260 | +97 | 270 → 420 | +150 | Good (6.5/10) |
| 2.0i 184hp | 184 → 260 | +76 | 270 → 420 | +150 | Good (6.5/10) |
| 2.8i 245hp | 245 → 290 | +45 | 350 → 420 | +70 | Moderate (5/10) |
| 3.0i 258hp | 258 → 278 | +20 | 300 → 320 | +20 | Moderate (4/10) |
| 3.5i - N54 - 306hp | 306 → 370 | +64 | 400 → 500 | +100 | Good (7.5/10) |
| 3.5i - N55 - Twinscroll - 306hp | 306 → 350 | +44 | 400 → 520 | +120 | Good (7/10) |
| 3.5is - N54 - 340hp | 340 → 370 | +30 | 450 → 500 | +50 | Moderate (5.5/10) |
Get a personalised remap quote for your BMW Z4. 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.
