Thought I’d share a quick post. If anyone ever gets Error 3 on the CD interchanger of their Audi C5, it’s a 2 min fix.
Take radio out
Undo the 2 golden screws on the top side of the unit
Lift top cover (the factory warranty void sticker will be cut as you lift the cover)
You will see all the CD’s as a tower but one of the CD’s will be out of line.
Gently tap the CD in line and done
You’ll hear a click and a spring will bounce off and fit everything back in.
Every person I asked said I need a new unit until I found an old thread online, thought I’d share this.