BHP+60 hp (15%)
Standard
400 hp
Tuned
460 hp
Torque+120 Nm (16%)
Standard
760 Nm
Tuned
880 Nm
Suitability
Good (7/10)Gains Profile
BalancedHeadroom
MediumBMW 5 Series M550d 400hp ECU Remapping
Considering an ECU remap for your BMW 5 Series M550d 400hp? A Stage 1 remap can take this G30/31 - 2016 - 2019 diesel engine from 400 BHP to 460 BHP and from 760 Nm to 880 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
- 24thof 100 BMW 5 Series engines by power gain
- 86%of the 9,842 engines we hold gain data for see a smaller power increase
- 87%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 M550d 400hp is a 3.0L turbocharged diesel engine producing 400 BHP and 760 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 460 BHP and 880 Nm — a gain of around 60 BHP (15%) and 120 Nm (16%).
This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. 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), and the transmission is many variants use zf 8-speed automatic (where fitted); manuals also exist. at this torque level, transmission and driveline servicing history becomes especially important..
Considerations: High tuned torque: check transmission torque capacity and service history.
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.