...'02 S6 when I don't drive it for a couple of weeks. I've had the car 9 years and it's always done that. ~102k miles now.
I've run Rotella T6 in it and makes no difference. Never tried Ceratec. Car gets Mobil1 mostly.
Close cousin with the last of the cam belt driven V8's.
The QuattroWorld website is not affiliated with or endorsed by Audi AG or
Audi of America, Inc. AudiTM, QuattroTM, Avant,
Tiptronic, FrontTrak, A2, A3, A4, A6, A8, S3, S4, S6, S8, TT, TT-S, R8,
RS4, RS 6, Q7, Q5 and allroad quattro are trademarks of Audi AG.