Expected gains of +59 BHP and +50 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Alpina B8 4.4 Bi-Turbo V8 621hp? A Stage 1 remap can take this 2021 -> ... petrol engine from 621 BHP to 680 BHP and from 800 Nm to 850 Nm of torque (turbocharged). 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 Alpina B8 can achieve.
The Alpina B8 4.4 Bi-Turbo V8 621hp is a 4.4L turbocharged petrol engine producing 621 BHP and 800 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 680 BHP and 850 Nm — a gain of around 59 BHP (10%) and 50 Nm (6%).
This engine has moderate 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: Turbo petrol: fuel quality and cooling can influence repeatable performance.. 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.
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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 before proceeding.