Good topic. I'd like to take it one step further and just ask, for those of you doing your own oil changes, what exactly are you using?
http://www.bimmerfile.com/2009/03/11...ommended-oils/
http://www.bmwusa.com/Standard/Conte...ngineOils.aspx
Thrillbilly - I take it you used M1 0-40?