BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Hissing from speaker

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      11-27-2011, 02:50 PM   #1
First Lieutenant

Drives: 335d
Join Date: Feb 2010
Location: berks

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Hissing from speaker

Currently experiencing a really strange problem with my e92 335d.
I'm hearing a hissing noise from the front passenger speaker when the radio is not on, and sometimes I hear a little popping noise.
When I turn the car the off the noise continues, and only stops when I open the door to get out.
With the radio on the popping noise is still evident although this noise is very intermittent, the hissing cant be heard above the radio.
Have no idea where to start looking for the source of the problem.

Any ideas???
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      10-01-2012, 01:02 AM   #2
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Drives: 2009 328 XI Coupe
Join Date: Sep 2012
Location: United States

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Hi, Any solutions to this hissing problem. I have the same exact problem after the JL xd600/6 install, i hear the noticeably hiss from my mids even when the HU is off ( ignition on ) or even when HU is playing CD at volume zero. I don't hear the Hiss if i disconnect the RCA's. Mine is HIFI system on E92 2009 model. I even hear the hiss even after lowering the input gain, but the hiss sound is little less but still noticeable.
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