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      01-30-2011, 11:17 AM   #1
beestroh
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Drives: 2006 330xi
Join Date: Apr 2006
Location: Columbus, Ohio

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Loss of treble in rear of E90 L7?

I had been noticing a "warbling," for lack of a better word, when it came to any higher-range sounds from the back speakers for a while, and now if you crank the fader all the way to the rear, it's quite muddy sounding. Did I blow an amp, or...?