Thought some of you light junkies might find this interesting...
check out the rest on BMWBLOG http://www.bmwblog.com/2014/02/10/new-bmw-m3m4-4-series-led-headlights-explained/
The BMW 4 Series Coupe concept uses basically the same LED lighting technology found on the 6 Series lineup, but moves from rounded lines to an open hexagon.

check out the rest on BMWBLOG http://www.bmwblog.com/2014/02/10/new-bmw-m3m4-4-series-led-headlights-explained/