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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 08-29-2015, 07:31 PM
Gdiego Gdiego is offline
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Location: Massachusetts, USA
 
Join Date: Jan 2013
Posts: 68
Mein Auto: 2011 BMW 328I xdrive
Loud static

So...I open the trunk and I hear static It seems to be getting louder and I open the back door. Loud static noise is coming from the rear speakers. Not the front. The thing is the car is off, has been off, no key fob in the ignition.
I get in start the car and the noise continues. It is loud and volume control has no effect. After about 5 minutes the noise stops. Things seem fine now.
My car is a 2011 BMW xi with only 11,000 miles. Has anyone else experienced this? Any ideas what might have happened? Many thanks
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  #2  
Old 08-29-2015, 08:49 PM
ctuna ctuna is offline
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Location: usa
 
Join Date: Jan 2010
Posts: 3,439
Mein Auto: 325xi wagon
The sound system stays powered on

The sound system stays powered on while the car is awake
as some of the sounds come through the speaker . Even if the radio or
idrive is turned off it really isn't off the gongs
and alarms come through the radio speakers . When you lock the car the car will go to sleep faster
and turn off the amp or head unit in about a minute after locking.
There was a recall on some of the Pro Radios for random noise.
If you have one of the sound systems with the amp they often go bad
due to water in the amplifier area.

http://www.e90post.com/forums/showthread.php?t=1036190

Last edited by ctuna; 08-29-2015 at 08:53 PM.
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  #3  
Old 08-29-2015, 09:27 PM
CALWATERBOY DUE's Avatar
CALWATERBOY DUE CALWATERBOY DUE is offline
Reregistered User
Location: Fog City, California
 
Join Date: May 2014
Posts: 6,082
Mein Auto: 09 E93 335i somewhat mod
Quote:
Originally Posted by Gdiego View Post
So...I open the trunk and I hear static It seems to be getting louder and I open the back door. Loud static noise is coming from the rear speakers. Not the front. The thing is the car is off, has been off, no key fob in the ignition.
I get in start the car and the noise continues. It is loud and volume control has no effect. After about 5 minutes the noise stops. Things seem fine now.
My car is a 2011 BMW xi with only 11,000 miles. Has anyone else experienced this? Any ideas what might have happened? Many thanks

Set your Google to E90 rear speaker static ---> Over 7000 results appear. Wonderful!
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