250 bhp V10-engined variant of the BMW 6-Series . Naturally the head-up display can also be customized and , in `` M '' mode displays speed and a graphic display of rev ranges , in favor of navigational instructions . seats for adults in comfort , while providing race car thrills . Surprisingly practical , but offers disappointing fuel economy and performance .
250 bhp V10-engined variant of the BMW 6-Series . seats for adults in comfort , while providing race car thrills . Surprisingly practical , but offers disappointing fuel economy and performance .