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The standard power of your Alpina B5 4.4 V8 Bi-Turbo 621hp vehicle is factory 621 hp / 800 nm. After Alpina B5 chip tuning custom vehicle software, your vehicle will gain +59 hp / +50 nm additional power and reach a total power of 680 hp / 850 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.
Alpina B5 4.4 V8 Bi-Turbo 621hp chip tuning stage1 file is completed in about 1-2 hours.
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 4395 CC |
| Compression ratio | 10.00 : 1 |
| Bore X stroke | 89.00 X 88.30 mm |
| Engine number |
| Engine ECU | Bosch MG1CS003 |
| Gearbox ECU |
