I've got 257,000kms on my cabrio, 260,000kms on my E34, and my "E30 parts car/winter beater/driveway queen/oldest car I have" has about 240,000kms.
E30 cabrio: Everything works except the rear defrost, but I don't use it anyways.
E34: Everything works except AC, but she's the winter car, so...