I sold my '04 A4 to my younger brother. Since he's had the car: -the entire 6-CD changer had to be replaced. This entailed removing the enter center console. At the dealer for 2 days. -Check Engine light came on for some reason. Took techs an entire day to determine what was throwing a code. At the dealer for 1 day. -Car starts idling funny. I suggest it's a bad coilpack to my brother. Dealership says no, it's bad gas. They dump the gas out, replace gas, car still runs like shit. They can't take his car into the shop again until February 4th. They don't have any loaners for him or anything. I'm so glad I didn't buy an S4, even though they are bad ass cars. Audi needs to get its shit straight!