It might be hard to spot BMW's changes for the 2015 6 Series family at the 2015 Detroit Auto Show, but they are there. The biggest of the understated tweaks all come at the front end, but there is some new tech for buyers, as well, like full-LED headlights. The interior upgrades are equally subtle.
The wheels are one of the first things you notice when checking out the 2015 BMW Alpina B6 xDrive Gran Coupe. The 20-inch aluminum alloy rollers have 21 spokes that spray out from their hubs, creating one of Alpina's signature design features. But there's also plenty of function to go along with the stylistic form of this hotted-up BMW 6 Series Gran Coupe.