Sound system making weird noises

Garcia909 · 03-05-2014, 11:12 PM

I have a 328i 2011 lci sedan roughly 40k miles. It cut out while it was raining, when i took it to the dealership they were acting like they have never seen this before. Of course its under warranty but i just want to know if anybody else has experienced this aswell. CDs and auxillary make the same sound also! http://<div class="youtube-playerCon.../iframe></div>

ctuna · 03-06-2014, 12:25 AM

A lot of people have got water on the amp.
Usually it goes all the way out(no sound at all)you might want
to visually inspect it . That is assuming you have and
amp because some of the 2011's with the base system didn't.
Drivers side (US) in the rear corner of the car under the trunk
floor.
Read the pdf's and establish which sound system
you have if you have the base system then there is
no amp.
If you have hi fi or top hi fi then you do.
Be sure they fix the leak if this is the case.

http://www.e90post.com/forums/attach...2&d=1266451970
http://www.e90post.com/forums/attach...2&d=1260829447

taibanl · 03-06-2014, 01:05 AM

Ive preciously posted the sib which applies to this (i think - i cant actually hear your sound)

baynec · 03-06-2014, 12:33 PM

I've got a 2011 328xi Sedan with Base Stereo. I had an intermittent noise on AM, FM, and CD but not on Aux. Radio stuff not associated with bad radio signal. Sort of an overlay of a single frequency and associated harmonics, but not white noise. In other words...it was a single scratchy tone. Usually happened starting the car to go to lunch and then would evaporate when I started after lunch. Never happened first thing in the morning...always alternating. I took phone video of issue, switching from source-to-source each time I started the car over the course of the day. Then I made an appointment with the dealership.

I can confirm what taibanl says: there's an SIB. I think he linked it originally.

Turns out I didn't need the video at all. They could reproduce it. If yours is less predictable, the video might still help.

My dealership first updated the software. That didn't work, so they kept the car for another day, overnighted in a new HU, and installed. Now works just fine.

Edited to add: I couldn't hear your sound either.

Garcia909 · 03-06-2014, 01:35 PM

Thanks to everyone that has replied, my car has been at the stealership for like 5 days now.... And for a radio????? Really?!? I bet if my warranty didnt cover this id be screwed. And for the video, weird im able to hear it on the youtube but atleast you guys get the point haha

taibanl · 03-07-2014, 10:39 PM

What system do you have, Base/stereo, HiFi, or HK/TopHiFi

Garcia909 · 03-07-2014, 10:41 PM

Quote:

Originally Posted by taibanl

What system do you have, Base/stereo, HiFi, or HK/TopHiFi

HiFi

Garcia909 · 03-07-2014, 10:54 PM

Quote:

Originally Posted by taibanl

Ive preciously posted the sib which applies to this (i think - i cant actually hear your sound)

In the video the sound starts to come at around 15 seconds if this is still relevant

taibanl · 03-07-2014, 11:57 PM

I would suspect water damage as well. Does the noise stay on when you shut the car off?

Garcia909 · 03-08-2014, 12:00 AM

Quote:

Originally Posted by taibanl

I would suspect water damage as well. Does the noise stay on when you shut the car off?

Yes it does, its actually worse when i dont have the keys in. I heard it when i was at my front door! I noticed it only did that when it unlocked, but even when i locked it the sound kept going on for like 25 seconds. It sounded like as if like you were moving your trash cans to the street

taibanl · 03-08-2014, 12:29 AM

Quote:

Originally Posted by Garcia909

Yes it does, its actually worse when i dont have the keys in. I heard it when i was at my front door! I noticed it only did that when it unlocked, but even when i locked it the sound kept going on for like 25 seconds. It sounded like as if like you were moving your trash cans to the street

ok you can probably make them use the SIB to troubleshoot.

Garcia909 · 03-08-2014, 12:33 AM

Quote:

Originally Posted by taibanl

Quote:

Originally Posted by Garcia909

Yes it does, its actually worse when i dont have the keys in. I heard it when i was at my front door! I noticed it only did that when it unlocked, but even when i locked it the sound kept going on for like 25 seconds. It sounded like as if like you were moving your trash cans to the street

ok you can probably make them use the SIB to troubleshoot.

How do you think this happened? I had no water near the amp, it makes so sense. It rained but my car has handled the rain before, i also never opened the trunk while it was raining. Also on my drive to dealership the cabin had a smell like something was burning, but it only came on when i was going 80+

ctuna · 03-08-2014, 01:04 AM

When water isn't spilled on the amp from something in the
trunk, sometimes clogged drains or bad seals have been reported
as a problem.

03-05-2014, 11:12 PM	#1
Garcia909 Enlisted Member 4 Rep 32 Posts Drives: 2011 328i sedan Join Date: Mar 2014 Location: Los Angeles iTrader: (0)	HIFI making weird noises I have a 328i 2011 lci sedan roughly 40k miles. It cut out while it was raining, when i took it to the dealership they were acting like they have never seen this before. Of course its under warranty but i just want to know if anybody else has experienced this aswell. CDs and auxillary make the same sound also! http://<div class="youtube-playerCon.../iframe></div>
	Appreciate 0 Tweet Quote

03-06-2014, 12:25 AM	#2
ctuna Lieutenant General 2045 Rep 13,364 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	A lot of people have got water on the amp. A lot of people have got water on the amp. Usually it goes all the way out(no sound at all)you might want to visually inspect it . That is assuming you have and amp because some of the 2011's with the base system didn't. Drivers side (US) in the rear corner of the car under the trunk floor. Read the pdf's and establish which sound system you have if you have the base system then there is no amp. If you have hi fi or top hi fi then you do. Be sure they fix the leak if this is the case. http://www.e90post.com/forums/attach...2&d=1266451970 http://www.e90post.com/forums/attach...2&d=1260829447 Last edited by ctuna; 03-06-2014 at 12:31 AM..
	Appreciate 0 Quote

03-06-2014, 01:05 AM	#3
taibanl Brigadier General 281 Rep 4,121 Posts Drives: BMW Join Date: Sep 2010 Location: NA iTrader: (4)	Ive preciously posted the sib which applies to this (i think - i cant actually hear your sound)
	Appreciate 0 Quote

03-06-2014, 12:33 PM	#4
baynec New Member 0 Rep 7 Posts Drives: 328ix Join Date: Mar 2014 Location: Redmond, WA iTrader: (0)	I've got a 2011 328xi Sedan with Base Stereo. I had an intermittent noise on AM, FM, and CD but not on Aux. Radio stuff not associated with bad radio signal. Sort of an overlay of a single frequency and associated harmonics, but not white noise. In other words...it was a single scratchy tone. Usually happened starting the car to go to lunch and then would evaporate when I started after lunch. Never happened first thing in the morning...always alternating. I took phone video of issue, switching from source-to-source each time I started the car over the course of the day. Then I made an appointment with the dealership. I can confirm what taibanl says: there's an SIB. I think he linked it originally. Turns out I didn't need the video at all. They could reproduce it. If yours is less predictable, the video might still help. My dealership first updated the software. That didn't work, so they kept the car for another day, overnighted in a new HU, and installed. Now works just fine. Edited to add: I couldn't hear your sound either.
	Appreciate 0 Quote

03-06-2014, 01:35 PM	#5
Garcia909 Enlisted Member 4 Rep 32 Posts Drives: 2011 328i sedan Join Date: Mar 2014 Location: Los Angeles iTrader: (0)	Thanks to everyone that has replied, my car has been at the stealership for like 5 days now.... And for a radio????? Really?!? I bet if my warranty didnt cover this id be screwed. And for the video, weird im able to hear it on the youtube but atleast you guys get the point haha
	Appreciate 0 Quote

03-07-2014, 10:39 PM	#6
taibanl Brigadier General 281 Rep 4,121 Posts Drives: BMW Join Date: Sep 2010 Location: NA iTrader: (4)	What system do you have, Base/stereo, HiFi, or HK/TopHiFi
	Appreciate 0 Quote

03-07-2014, 11:57 PM	#9
taibanl Brigadier General 281 Rep 4,121 Posts Drives: BMW Join Date: Sep 2010 Location: NA iTrader: (4)	I would suspect water damage as well. Does the noise stay on when you shut the car off?
	Appreciate 0 Quote

03-08-2014, 01:04 AM	#13
ctuna Lieutenant General 2045 Rep 13,364 Posts Drives: 325xi 06 wagon MT Join Date: Jan 2010 Location: Santa Cruz, Ca iTrader: (0)	When water isn't spilled on the amp When water isn't spilled on the amp from something in the trunk, sometimes clogged drains or bad seals have been reported as a problem.
	Appreciate 0 Quote