...but have you tried you local BMW car clubs. There is one in Brisbane and one on the Gold Coast.
Click the links to find out more:
http://www.bmwclubqld.asn.au/default.htm for BMW Club Queensland and
http://www.bmwclubgoldcoast.asn.au/Clubgc/ for BMW Club Gold Coast.
Your local Clubs are full of people just like you.
regards
Phil
my '89 525i, on the left - 285,000km