I am guessing that the adaptive LED headlights will be somewhere around $2K in the US. They sure look amazing in the presentation but I'd still wait a year or two before getting them to see how efficient and reliable they are in comparison to the Xenon ones.
2016 BMW F10 550xi - 4.4 L 330 kW (445 hp)
2013 BMW F10 535i - 3.0 L 221 kW (300 hp)
2007 BMW E64 630i -2003 BMW E65 745i
1995 BMW E34 540i -1989 BMW E30 M3