I'll jump on an oil thread any day, just for fun.
I've used Motul 5100/50 in my S3, but it did use about a litre over 5,000km. If I use Silkolene Comp4 20w/50 I get the same great (no usage over the 5,000km) service as Mobil 1, the manufacurers recommended oil. So it's either of those depending on where I go to get it.
I hear Royal Purple is also good, but expensive and hard to get in Aus.
Mick
[ This message was edited by: miker on 2006-06-28 23:14 ]