The late 90's-01 model BMW 7 series are a NIGHTMARE to maintain. More so than the 140. My fathers girlfriend has a 00 740iL. It has been nothing but problems. If its not one thing its another. The pixels in the dash go out,both front windows failed in the down position within a week of eachother. The list is too long to list. It is plagued with oil leaks and electrical problems. I really do not understand why people on this board make such a huge deal about the evaporator on these vehicles. IF IT GOES OUT JUST HAVE IT FIXED. If you cannot afford $3,000-$4,000, you DO NOT need to own an S class Mercedes.