I think it’s safe to say that the E39 M5 might be viewed in the coming decades as a high water mark for BMW. This car had the right stuff. A powerful V8, tuned chassis and any transmission you wanted as long as it was a 6-speed manual. With the quest for fuel economy and ever tightening emissions standards, it seems a formula like this is endangered. For the power hungry, however, now is a great time to pick up one of these modern classics. Those on a quest for a like new example will be intrigued by this example for sale in Pennsylvania.