Has anyone seen the convertible 8 series that is listed on Ebay? It's been listed twice so far. I was looking at the pictures and the windshield has no side supports. Has anyone seen a conversion like this before? I wonder if the outfit that made this car into a convertible put all the structural support in it that it would need with no roof. I'm just curious as I own 2 bmw convertibles and i know they come with about 300lbs worth of extra stiffening supports.