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.
2013 BMW F10 535i - 3.0 L 221 kW (300 hp)
2007 BMW E64 630i - 3.0 L 200 kW (272 hp)
2003 BMW E65 745i - 4.4 L V8, 242 kW (325 hp)
1995 BMW E34 540i - 4.0 L V8 210 kW (282 hp)
1989 BMW E30 M3 non-cat version 147 kW (200 hp)