BHP+27 hp (19%)
Standard
143 hp
Tuned
170 hp
Torque+70 Nm (27%)
Standard
260 Nm
Tuned
330 Nm
Suitability
Good (7.5/10)Gains Profile
Torque-focusedHeadroom
HighBMW 3 Series 325 TDS 143hp ECU Remapping
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.
How this engine compares
- 110thof 141 BMW 3 Series engines by power gain
- 35%of the 9,842 engines we hold gain data for see a smaller power increase
- 55%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
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.
Considerations
!Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.
Other 3 Series E36 Engines
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