1998-1999 Audi A4/Avant, 1998-1999 Audi A4/S4/Avant quattro ALL SALES FINAL. LIMITED QUANTITIES. Check the part number on your radio to the part number you are purchasing. Pictures may not be exact. All units are genuine Audi items from Audi. Remember if the radio comes coded to write down the number and save it in a safe location. We can no longer access codes from Audi. Vehicles listed may not be exact.