It seems that F20 model is also produced in Leipzig since march 1st:
http://www.bmw-plant-leipzig.com/lei.../en/index.html
This date (march 1st) is the starting production date of the three new engines (125i, 125d and 116d ED) based cars. It corresponds also to the production of the M pack as far as I know.
Any information is welcome
Best regards
sl91