BMW uses AMP, here are parts as spare or difficult to get parts
http://eagleday.stores.yahoo.net/ampconnectors.html
and here we have a relay application guide
http://eagleday.stores.yahoo.net/bmwrelays.html
touch-up kits and much more interesting stuff
http://eagleday.stores.yahoo.net/bmw.html
Thanks for that, Erich. New guys---the bottom link has all 3 manuals for everything E28 to 2002 I believe.