am I missing something, or is that just how much they cost?

<ul><li><a href="http://www.autopartswarehouse.com/replacement_sm/audi~oil_filter~replacement.html">http://www.autopartswarehouse.com/replacement_sm/audi~oil_filter~replacement.html</a</li></ul>

<img src="http://www.audiworld.members.winisp.net/lovefosale.jpg">

<a href="http://www.overnightautoparts.com/audi-a6-a6--005-oil-filter.html">here</a>

<a href="http://replacement.autopartswarehouse.com/parts/autopartswarehouse/wizard.jsp?year=2000&make=AU&model=A6-Q-003&category=A&part=Oil%20Filter&dp=true&showdc=true">or here</a>

<a href="http://www.impartsonline.com/OIL-FILTER-MANN-P3037C111.aspx">or here</a>

Check with Wal-Mart, Shucks, Al's Auto Supply... etc... etc... etc..

i'll look around for the Mann's next time..