@Majj_1089 Hi,
i tried your solution but i dont know why my results are so worse. I sent you some pictures of my problem, in Blender i set the same things like you did and thats the picture:
This is the blender view:
But with that the import to unreal is really bad:
similar to your settings in Unreal:
I will try an other mesh to find out why i have this huge problem, maybe you know why i get so worse results