How fast is a BMW 850 Alpina?

Alpina B12BMW tuner Alpina produced a special version of the 8 Series dubbed the B12. Two versions were produced, both taken from the standard production line. The B12 5.0 Coupe was based on the 850i, powered by the 5.0-liter M70 engine producing 350 bhp (261 kW; 355 PS), and available only with a 4-speed automatic gearbox. The larger B12 5.7 Coupe was based on the 850CSi, with the 5.7-liter S70 engine producing 416 bhp (310 kW; 422 PS) with a 6-speed manual gearbox.

Estimated speed it could proberly do 190MPH