HG Toadmeister said: >The VW one. My 90Q20V takes the same filter as pretty much all other >NA 4= and 5=cylinder Audis including my 100Q. The Mahle number is OC47. >The turbo filter is bigger, more $$$, and may have different threads. What's a good case price/source for these, I have four vehicles that take this filter now. --Gary ('86's:5ks&5ktq+'87CGT&that_rabbit-4sale'86 civic)