Alpina B5 F90 - 2020 -> 4.4 V8 Bi-Turbo 621hp
Real standard and upgraded performance figures for the 4.4 V8 Bi-Turbo 621hp engine in the Alpina B5 F90 - 2020 ->.
The Alpina B5 F90 - 2020 -> 4.4 V8 Bi-Turbo 621hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 621 | 800 |
| Stage 1 | 680 | 850 |
| Stage 2 | 709 | 875 |
- Make
- Alpina
- Model
- B5
- Generation
- F90 - 2020 ->
- Engine
- 4.4 V8 Bi-Turbo 621hp
- Fuel type
- petrol
Frequently asked questions
Is Stage 1 tuning safe for the Alpina B5 F90 - 2020 -> 4.4 V8 Bi-Turbo 621hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 4.4 V8 Bi-Turbo 621hp make after tuning?
Standard output is 621 HP / 800 Nm; Stage 1 on this engine typically reaches 680 HP / 850 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Alpina B5 F90 - 2020 -> 4.4 V8 Bi-Turbo 621hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 4.4 V8 Bi-Turbo 621hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.