Something disturbes me at the walls, and i found the mistake. I bake a part of the normal map from the opposite dir^^
Can´t explain it now, but yo see it on this shot:
This cost me some time.. goddamn^^ And my holidays are over at Monday
Anyway, i don´t want to fiddle much more on that, i will go near this result:
The suggested diffuse map applied. A few tweaks may be done with the workflow..