Believe it or not, these pics were snapped at Chris Bangle's driveway by a Bimmerfest member named Alfred and speculation is that this is his personal car
There seem to be a quite a few black F01 7 series rolling around Germany with serially numbered license plates, so likely these are a fleet of cars that are available for BMW staff to take and use around town. The V-Spoke wheels look great on this 750i!