One problem related to wiper has been reported for the 2003 Audi Quattro. The most recently reported issues are listed below.
Failed windshield wiper bearings. Replace with new. My wife's 2005 quatro is doing the same thing [xxx]! they just keep slowing down and finally seize -- wiper don't go. The bearing can not be lubricated or serviced -- $400 to put in new. Audi says happens in cold climates. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).