If yours has the SPORT button under the shifter, it has AD ...
For some reason, a number of '13 35D manufactured around the May-July time frame in 2013 have AD. They are starting to show up on dealer lots ... Gwinnett BMW in Duluth GA (
BMW New & Used Car Dealer - Atlanta, Marietta & Duluth, GA | United BMW Gwinnett) has 6 executive demo's with AD sitting on their lot!