http://e89.zpost.com/forums/showthread.php?t=834677
I didn't read all 5 pages. In my 2011, I swapped high wattage LED's in for the halo bulbs, and LED for the amber light as well. Looks and works great for peanuts in comparison. I'm not sure there is much to see in difference otherwise on the LCI headlights - pretty subtle I think?
Filippo