Ah! 1 model year after introduction of the new gen, it is going to get some tweaks (minor). (Exactly that happened to the F10 M5 as well, very short introduction for MY12 and full MY13 and full facelift on MY14)
-IDrive upgrade
-exterior change on LED tailight
-park assistant
http://www.autoevolution.com/news/bm...ci-91364.html#
Therefore, for those who have ordered and in the grey area of production of MY2015 vs MY2016, you may want to wait as the ordering guide for the MY2016 should be out in mid to late April 2015