U14 - Ignoring 'source of level display' when doing save as to .dwg

I have just tried to 'save as' a .dgn design model to .dwg and U14 ignores the above setting and turns on all levels in the .dwg file. It didn't dos this in U13 as far as I can remember and having just tested in doesn't do it in SS4. The SS4 conversion is what I should be getting.

  U14

 SS4