Ok well I am going to most likely buy this 87 528e tomorrow for $300!! It is in good condition other then the clutch is just totally gone, so I was wondering if you guys think I should buy it or not? Are clutches/clutch jobs expensive?

http://b.im.craigslist.org/3O/tQ/OEeClRSVrjkKGM7G5AqVvj0v9giz.jpg

Or at least how hard is a clutch job on one of these?