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Discussion Starter · #1 ·
Hi Guys,

I am new to the site but I am desperate for some advice.
I have a 330CI E46 with the Harmon Kardon system. The problem is the subs under the parcel shelf are vibrating and it sounds terrible. I have even replaced the speakers thinking that may be the problem but it hasn't improved the sound.

Any assistance with solving this issue would be greatly appreciated.

Many Thanks

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