the rear seat botton is held with 2 clips (clamps) that are right in the center of where you sit. Grab on both sides of the 'clip' and pull up like a mother****er, I mean hard strong quick pulls. The first time you do this make sure you dont have to go to the bathroom or anything cause youll mess your seat. After you do it a couple times it seems easier but I still dont enjoy doing it. Everything is under there and you shouldnt need to remove the rear part.
enjoy!
95 E34 530I V2.37
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Those who make peaceful revolution impossible will make violent revolution inevitable.
John F. Kennedy