Audi Forums banner

2005-2008 audi quattro 3.2l

  1. C6 Forum
    Hello i have 2005 audi a6 quattro seems my base is fading in and out if i slam door it may come back on? Can it be loose wire or sticky residue? Do i need to change mmi board? All buttons light up radios work fine just the bass fades out any help?
Top