Alpina B3 S All 3.5i 400hp
Real standard and upgraded performance figures for the 3.5i 400hp engine in the Alpina B3 S All.
Below: measured output for the 3.5i 400hp in the Alpina B3 S All, standard vs. remapped, in both horsepower and torque.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 400 | 540 |
| Stage 1 | 450 | 600 |
| Stage 2 | 475 | 630 |
- Make
- Alpina
- Model
- B3 S
- Generation
- All
- Engine
- 3.5i 400hp
- Fuel type
- petrol
Frequently asked questions
Is Stage 1 tuning safe for the Alpina B3 S All 3.5i 400hp?
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 3.5i 400hp make after tuning?
Standard output is 400 HP / 540 Nm; Stage 1 on this engine typically reaches 450 HP / 600 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Alpina B3 S All 3.5i 400hp 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 3.5i 400hp 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.