BHP+25 hp (22%)
Standard
115 hp
Tuned
140 hp
Torque+40 Nm (16%)
Standard
245 Nm
Tuned
285 Nm
Suitability
Good (7/10)Gains Profile
Power-focusedHeadroom
MediumBMW 5 Series 525 TD 115hp ECU Remapping
Considering an ECU remap for your BMW 5 Series 525 TD 115hp? A Stage 1 remap can take this E34 diesel engine from 115 BHP to 140 BHP and from 245 Nm to 285 Nm of torque (turbocharged). This engine scores 7/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 5 Series can achieve.
How this engine compares
- 79thof 100 BMW 5 Series engines by power gain
- 28%of the 9,842 engines we hold gain data for see a smaller power increase
- 21%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The BMW 5 serie 525 TD 115hp is a 2.5L turbocharged diesel engine producing 115 BHP and 245 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 140 BHP and 285 Nm — a gain of around 25 BHP (22%) and 40 Nm (16%).
This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is typically a Bosch EDC17 (likely).
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.
Other 5 Series E34 Engines
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 524 TD 115hp |