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      11-30-2012, 06:28 PM   #1
garethjonesuk
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Drives: F20 118d M Sport/F30 320d Lux
Join Date: Sep 2012
Location: Uk

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Harmon Kardon issue

Hi All,

The other day all my speakers were suffering from a high frequency interference but only on Bluetooth audio or USB audio (iPod on lead) it was ok on radio. Disconnecting either iPhone or iPod made no difference. It only cleared after leaving the car off for about 20 mins. It hasn't happened since.