thx a lot fellas
here's the next step. I'm gonna cover pretty much everything. Maybe someone can get some use out of it.
Normal map ist baked now.
1. picture: Normal map only
2. picture:
Normal map
+
Diffuse Map Starting Point: Bake from a simple light setup (2 spotlights) combined with some Ambient Occlusion (not perfect with the layered highpoly but still worth it).
The highpoly has some very subtle procedural textures applied.