I found this helpful: Blender 2.73a and 2.74 working export to UE4 settings for various types - World Creation - Unreal Engine Forums
Do you still have the same problem when you export / import with the same settings?
I found this helpful: Blender 2.73a and 2.74 working export to UE4 settings for various types - World Creation - Unreal Engine Forums
Do you still have the same problem when you export / import with the same settings?