BHP+50 hp (13%)
Standard
400 hp
Tuned
450 hp
Torque+60 Nm (11%)
Standard
540 Nm
Tuned
600 Nm
Suitability
Moderate (4.5/10)Gains Profile
BalancedHeadroom
MediumAlpina B3 S 3.5i 400hp ECU Remapping
Considering an ECU remap for your Alpina B3 S 3.5i 400hp? A Stage 1 remap can take this All petrol engine from 400 BHP to 450 BHP and from 540 Nm to 600 Nm of torque (naturally aspirated). This engine scores 4.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Alpina B3 S can achieve.
How this engine compares
- 1stof 2 Alpina B3 S engines by power gain
- 76%of the 9,842 engines we hold gain data for see a smaller power increase
- 41%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Alpina B3 S 3.5i 400hp is a 3.0L naturally aspirated petrol engine producing 400 BHP and 540 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 450 BHP and 600 Nm — a gain of around 50 BHP (12%) and 60 Nm (11%).
This engine has limited 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.
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.
Other B3 S All Engines
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