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Radio/audio noise

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Joined: Mon Feb 06, 2017 8:30 pm
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Radio/audio noise

Post by tmoretta » Sun Jul 21, 2019 4:26 pm

My '88 M6 has Sony head unit and Alpine amp in the trunk. When I play any source there is an underlying scratchy sound coming from all speakers in addition to the music. I have already tried changing the fader switch. Made no difference. Any ideas?

Tommys 89 635
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Re: Radio/audio noise

Post by Tommys 89 635 » Thu Aug 01, 2019 8:21 pm

I've heard of engine (whining) noise but not a stratchy noise, do you mean static noise? Here's a good site check: ... -speakers/

Noise is frustrating, good luck
1989 635 CSI (Second owner since 1995, driven daily and retired in 2013 with 290k to occasional driving)
2011 335D

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