Considering an ECU remap for your BMW X3 1.8D 136hp? A Stage 1 remap can take this E83 - 2004 - 2010 diesel engine from 136 BHP to 180 BHP and from 300 Nm to 390 Nm of torque (turbocharged). This engine scores 8/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW X3 can achieve.
The BMW X3 1.8D 136hp is a 2.0L turbocharged diesel engine producing 136 BHP and 300 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 180 BHP and 390 Nm — a gain of around 44 BHP (32%) and 90 Nm (30%).
This engine scores highly for 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 high, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch EDC16 (likely), and the transmission is many variants use zf 5/6-speed automatics (where fitted); manuals also exist..
Considerations: Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.. Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Fuel economy note: possible improvement with conservative driving.
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 |
|---|
| 1.8D 143hp | 143 → 180 | +37 | 300 → 390 | +90 | Good (7.5/10) |
| 2.0D 150hp | 150 → 190 | +40 | 330 → 400 | +70 | Good (7.5/10) |
| 2.0i 150hp | 150 → 165 | +15 | 200 → 220 | +20 | Moderate (4.5/10) |
| 2.0D 163hp | 163 → 210 | +47 | 350 → 420 | +70 | Good (7.5/10) |
| 2.0D 177hp | 177 → 215 | +38 | 350 → 420 | +70 | Good (7.5/10) |
| 3.0D 204hp | 204 → 250 | +46 | 410 → 500 | +90 | Good (7.5/10) |
| 3.0D 211hp | 211 → 270 | +59 | 500 → 580 | +80 | Good (7.5/10) |
| 2.5i 214hp | 214 → 231 | +17 | 250 → 271 | +21 | Moderate (4/10) |
| 3.0D 218hp | 218 → 270 | +52 | 500 → 580 | +80 | Good (6.5/10) |
| 3.0i 231hp | 231 → 245 | +14 | 300 → 325 | +25 | Moderate (4/10) |
| 3.5D 286hp | 286 → 332 | +46 | 580 → 685 | +105 | Good (6.5/10) |
Get a personalised remap quote for your BMW X3. 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.
