Hi Foxhollow, I've tryed your tip: "In Max, select all objects and from Command Panel, use Hierachy, Affect Pivot Only, Center to Object. With all objects still selected, go to Utilities on command panel and ResetXForm, Reset Setselected Now Export as a 3ds file and the Explosion problem should be defused." But when I do the Reset Set Selected the doors and wheels of the car disapear. I'm still doing something wrong...