Thread: Aux input
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Old 12-02-2012, 09:59 PM
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Location: Claremont California
 
Join Date: Mar 2010
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Mein Auto: 2005 545i
i have the same issue . buts its not too bad..i have an amp running the interior speakers it doesnt really bother me, i can barely hear it., but i think its a dirty ground . i had my aux installed by the dealer and its doen a whinning noise. it sounds like its picking up the alternator.i think its where they grounded the aux cable.
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