Does anyone know what kind of filter to use in my 1990 90q20v? The dealer sold me a filter for a 5000 Turbo (P/N 035115561). The filter I took out was a VW filter (P/N 056115561G) which happens to be the same for my Passat. Which is right? Thanks, Sean -- Sean Douglas 1990 Audi 90 Quattro 20V 1992 VW Passat GL 16V Surrey, B.C. Canada