Please review they way meshes are imported into Unreal Engine, importing into Unity works fine without any additional steps required however with Unreal the UV step is a little of an hinderance but everything about Unreal is magnificent!
I would love to see a plugin between the applications even if this was a paid option.
Thanks
Importing into UE4 is one of the easiest things, take a read ->
https://docs.unrealengine/latest/INT/Engine/Content/QuickStart/4/index.html
https://docs.unrealengine/latest/INT/Engine/Content/QuickStart/2/index.html
Which part of the import process is causing you a problem exactly?
The main issue I am having is the UV error in UE4, it may just be me but I’ve tried read several posts and tried following their steps but still am unable to get this working, please see the links to FBX model as an example of a simple model I used which has exported from 3DS , if someone could provide step by step instructions of what I should do that would very useful.
File
https://www.dropbox/s/virclo54d507ep2/Sample.?dl=0
FBX File
https://www.dropbox/s/sdq5feo52zqjjn2/Sample.FBX?dl=0
Thanks
The overlapping UV error? You have to create a 2nd uv channel + proper lightmap: 
Yes I believe have my mapping configured correctly.