BHP+50 hp (33%)
Standard
150 hp
Tuned
200 hp
Torque+80 Nm (24%)
Standard
340 Nm
Tuned
420 Nm
Suitability
Good (7.5/10)Gains Profile
Power-focusedHeadroom
HighBMW 5 Series 520D 150hp ECU Remapping
Considering an ECU remap for your BMW 5 Series 520D 150hp? A Stage 1 remap can take this E60/61 - 2003 - 2010 diesel engine from 150 BHP to 200 BHP and from 340 Nm to 420 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 5 Series can achieve.
How this engine compares
- 44thof 100 BMW 5 Series engines by power gain
- 76%of the 9,842 engines we hold gain data for see a smaller power increase
- 64%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 520D 150hp is a 2.0L turbocharged diesel engine producing 150 BHP and 340 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 200 BHP and 420 Nm — a gain of around 50 BHP (33%) and 80 Nm (24%).
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 EDC16 (likely), and the transmission is many variants use zf 5/6-speed automatics (where fitted); manuals also exist..
Considerations: High tuned torque: check transmission torque capacity and service history.. 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
!High tuned torque: check transmission torque capacity and service history.
!Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.