BHP+30 hp (7%)
Standard
420 hp
Tuned
450 hp
Torque+26 Nm (5%)
Standard
565 Nm
Tuned
591 Nm
Suitability
Limited (3.5/10)Gains Profile
Limited headroomHeadroom
LowInfiniti M 5.6 V6 420hp ECU Remapping
Considering an ECU remap for your Infiniti M 5.6 V6 420hp? A Stage 1 remap can take this All petrol engine from 420 BHP to 450 BHP and from 565 Nm to 591 Nm of torque (naturally aspirated). This engine scores 3.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Infiniti M can achieve.
How this engine compares
- 3rdof 3 Infiniti M engines by power gain
- 39%of the 9,842 engines we hold gain data for see a smaller power increase
- 16%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Infiniti M 5.6 V6 420hp is a 5.6L naturally aspirated petrol engine producing 420 BHP and 565 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 450 BHP and 591 Nm — a gain of around 30 BHP (7%) and 26 Nm (5%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. 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.
!High tuned torque: check transmission torque capacity and service history.
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