Data under review — The figures shown for this engine variant are currently being verified. They may be updated as we refine our data.
BHP+130 hp (25%)
Standard
530 hp
Tuned
660 hp
Torque+130 Nm (17%)
Standard
750 Nm
Tuned
880 Nm
Suitability
Moderate (5.5/10)Gains Profile
Power-focusedHeadroom
HighBMW 8 Series M850i 530hp ECU Remapping
Considering an ECU remap for your BMW 8 Series M850i 530hp? A Stage 1 remap can take this G15 - 2018 -> petrol engine from 530 BHP to 660 BHP and from 750 Nm to 880 Nm of torque (naturally aspirated). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 8 Series can achieve.
How this engine compares
- 1stof 7 BMW 8 Series engines by power gain
- 99%of the 9,842 engines we hold gain data for see a smaller power increase
- 89%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The BMW 8 serie M850i 530hp is a 4.4L naturally aspirated petrol engine producing 530 BHP and 750 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 660 BHP and 880 Nm — a gain of around 130 BHP (25%) and 130 Nm (17%).
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 high, based on the percentage gain available from the factory output.
From a technical perspective, 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: Naturally aspirated engine: gains are usually limited; results vary widely.. Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.. High tuned torque: check transmission torque capacity and service history.
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
!Naturally aspirated engine: gains are usually limited; results vary widely.
!Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.