I had a chance to test this with Max 2015 and got the same results as I had previously with Max 2013.
Max Import:
UE4 View:
Overlay:
At the moment I’m not able to reproduce the results you’re seeing with the skewed import.
If you have any other suggestions on what I could look at to possibly reproduce I’m open to them. I’ll have to test this a little more and see if I can get this to happen.
FBX Export: [link text][4]