Here are the official ordering and pricing guides for the 2013 6 Series coupe (F13) and convertible (F12) [download PDFs below]. The pricing listed in the guide is effective July 1, 2012.
For a list of the July production changes for the F12 and F13, see the following info:
ALL 6 Series Changes from July Production
* Click to download 2013 6 Series Coupe and Convertible price guide *
* Click to download 2013 6 Series Coupe and Convertible order guide *