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amp fault

  1. harmon Karden fault in 2002 330D tourer

    Mobile Electronics Forum
    Hi guys, I'm recently converted from being an Audi to a BMW owner! Must say i'm well impressed! The only thing getting to me is the poor quality of sound from the stereo. i've got the Harman Kardon up grade, but it has no bass!!!! I've turn the switch on by the gear change, i've checked the...