According to their TOE/OOB (as seen here, for example,
http://niehorster.orbat.com/011_germany/...pz-01.html ), German SPAA companies in Panzer divisions had a paper strength of 10 vehicles in 1941. In the game, they all have 12. Only the independent companies seem to have had a paper strength of 12.
The Germans also don't seem to have any motorized light or medium AA units, only light SPAA and heavy motorized AA units. Is that deliberate?
In game terms "motorized" is a gun on a truck, which is incorrect for the Germans. They should either have halftracks or towed AA guns. Their AA guns being on trucks currently gives them a disadvantage in terms of mobility, whilst one of the good things about halftracks was increased cross-country performance, which they now miss. I'm wondering why the Germans have a generic truck-mounted AA gun, instead of the equipment they had historically.