Originally Posted by DBH
Folding, split rear seats are standard on all 3 series coupes and convertables. They are an option on sedans where they are included as part of the cold weather package or as a stand-alone option.
I believe this to be true. I have a sedan with out Cold Weather package and I have split folding seats. I am 2nd owner so, I can't confirm if the split folding seats were ordered as a stand-alone option.