I can't trust but I bake it all! Here is screenshot from Marmoset. Totaly 38k poly. Only normals and simple albedo map. No reflective and microsurface maps now.
AlexCatMasterSupreme Thanks! UV mostly done. Now I wanna add some extra details on HP here and here. And start bake it step by step. Here is a part of wheel mount. Now with a very simple material definition for Marmoset. Just for test.