Alpina B5 Bi-Turbo based on 2011 BMW 5-Series
BMW tuner Alpina, who like to refer to themselves as a “manufacturer” as per German laws, has released details on their latest model, the 2011 Alpina B5 F10 Bi-Turbo, based on the BMW 5-Series. It is sort of a pre-emptive strike on the upcoming BMW M5.