The rar file "Wolfsburg_Dahlum" contains a new basic-map.
To download this map, enter 83b496f3-2e61-490c-99c1-9af48903c8e2 as the map package into the steel beasts map tools UI.
If this map is used in a scenario, it will prompt the user to download as long as they have SB Pro Map Tools installed.
The map section is located in the lower right area of the map. It's the area of the scenarios JERXHEIM and Dahlumer Roulett!