It definately exists. BTW I made a typo, its called Schlachtfeld Stuttgart.
I too saw it mentioned on the official forums a couple of times. It seems to appear on German websites more commonly which (coupled with its name) makes me think it was a preorder bonus in Germany only.
Its also in the drop-down list of available maps on the official BattleCast site - and to date is the only one from that list which still eludes me.
Then again I could be entirely wrong and its the map that EA may bundle into a patch when they finally get the game working properly.
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