Considering an ECU remap for your BMW 3 Series 325 TDS 143hp? A Stage 1 remap can take this E36 diesel engine from 143 BHP to 170 BHP and from 260 Nm to 330 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 3 Series can achieve.
The BMW 3 serie 325 TDS 143hp is a 2.5L turbocharged diesel engine producing 143 BHP and 260 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 170 BHP and 330 Nm — a gain of around 27 BHP (19%) and 70 Nm (27%).
This engine scores highly for 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 high, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch EDC17 (likely).
Considerations: Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.
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 |
|---|---|---|---|---|---|
| 318 TDS 90hp | 90 → 115 | +25 | 190 → 240 | +50 |
| Good (7.5/10) |
| 325 TD 115hp | 115 → 140 | +25 | 245 → 285 | +40 | Good (7/10) |
| 323i 170hp | 170 → 185 | +15 | 245 → 260 | +15 | Moderate (4/10) |
Get a personalised remap quote for your BMW 3 Series. 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.
