We first caught a glimpse of the Alpina-tuned BMW 7 Series bi-turbo at the Geneva Motor Show, when we were told it was capable of 193mph. But some further tweaks by the German tuning house now mean...
After launching the D3 Bi-Turbo, the superfast diesel 3-Series, Alpina has turned its attention to fettling the BMW 4-Series. The B4 Bi-Turbo, like the BMW it’s based on, is available as a coupe o...
