Originally Posted by mkoesel
Naturally. I think it would be nearly impossible to do a CF roof correctly if you were to attempt to overlay it on top of the existing steel roof. The M3 coupe's carbon fibre roof is also designed in this same manner.
I don't think so... as suggested in BMW's website and previous posts... the there is no steel roof under the CF roof... the CF roof is glued to the car with steel supports in the middle...