Could not prevent my self from not to mentioning this here. [It May Help Someone] 
If you have a model in 3ds max like below:
and after importing it to blender it looks :
please do this in 3ds max to fix it:
then group it again in 3ds max.
now it should fix it when importing to blender:
This is because perpendicular (non-orthogonal) axis.
thanks to Pix10 in http://forum.unity3d.com/threads/3ds-max-collapse-scene-bad-modeler-20k-objects.171531/
more info Reset XForm (Transform) Utility