[Mark's M]

I wouldn't discount the CF roof so quickly. BMW needs to reduce weight at not too great a cost, a few lbs here and there will add up if they do it right. But to keep everyone in suspense about the roof, all they've got to do is paint it. Forget the camo, too obvious and it'd ruin the surprise. Will be a real treat if the wraps came off the concept at Geneva and voila...there's the CF roof and no one saw it coming. IMHO of course.