Some 5 series links from a German site. 5th link down has some publicity pics showing the various 5 series models from oldest (1972) to the latest e60. 15th link down with Alpina 3.0 liter B7 (155 mph, 0-100 mph 13.7 seconds) & 3.5 liter B7S (162 mph) 5 series cars, fastest 4 door cars in the world 1978-82.
http://www.e12.de/weblinks/15a05000.htm