And just what is the difference between the -561 and -561G filters? (-561G's on sale at The Parts Connection, by the way). Steve ---------- > > If your 5KSQ is non-turbo, then the answer is no. The turbo cars > use a different oil filter (the non-turbo's filter has a -G suffix > but the turbo ones don't). The OEM turbo filter should say "Audi Turbo" > on the body. > > -Ti >