BHP+30 hp (26%)
Standard
115 hp
Tuned
145 hp
Torque+50 Nm (18%)
Standard
280 Nm
Tuned
330 Nm
Suitability
Good (7.5/10)Gains Profile
Power-focusedHeadroom
HighBMW 3 Series 318D 115hp ECU Remapping
Considering an ECU remap for your BMW 3 Series 318D 115hp? A Stage 1 remap can take this E46 - 1998 - 2005 diesel engine from 115 BHP to 145 BHP and from 280 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
- 103rdof 141 BMW 3 Series engines by power gain
- 39%of the 9,842 engines we hold gain data for see a smaller power increase
- 27%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 318D 115hp is a 2.0L turbocharged diesel engine producing 115 BHP and 280 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 145 BHP and 330 Nm — a gain of around 30 BHP (26%) and 50 Nm (18%).
This engine scores highly for remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. 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 EDC15 (likely).
Considerations: 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.
Considerations
!Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Other 3 Series E46 - 1998 - 2005 Engines
| Engine |
|---|