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Old 12-28-2007, 08:36 PM   #1
Yasser E46
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E46 clicking and static noise, BMW Sound Modul

Hello friends!

iam from Lisbon / Portugal, i have a 320d E46 from 1999, comes from my father (was the first owner)...

From factory it comes with BMW REVERSE K7 radio,
we have upgraded it at BMW service for BMW Business CD and BMW Sound Modul Sistem! (New Speakers and amplifier)

It was some 3 years ago...
And what happens, is when we turn ON and OFF the key (not engine) we listen a some click noise and a constante static noise...

but for my father, it wasnt a problem... he turns on the radio, and dont listen more the noise...

And now, the car is mine, (more than 1year) and that click noise, disturbs me sometimes...

I listen a click, and after it makes some static noise.... constant "pssssssssssssssssssssssssssssssssssssss" (lower, but we can listen it)

Here in Portugal, is little bit difficult to find some people who works good with this OEM car audio sistems, and solve this... so i decided to found some help here...

Actually i have upgraded my BMW Business CD to Profissional Navigation System 16:9+bm54+cd changer+mk4+retrofit harness for nav+retrofit harness for cd changer...

The clicks, and static noise still present...

I have installed last week a Bluetooth Module (ULF) and the static noise has duplicated and i can listen it (little bit) when the radio is turned on too

Now, after the BT ULf module installed, the noise is really very disturber...
When i unplug the Bluetooth Module, the noise reduces to (not) normal (like always)...


I think the clicks sounds when the amplifier takes power (ON/OFF with key) and the static noise, is constant (not variable with the engine) and it sounds after the clicks

It comes from all speakers...
When i have the ULF Module Pluged, comes more from the tweeters (from the front doors)...

HAve some type of filters?
How i can fix the problem?
It was instaled at BMW dealer, so i supouse that is correctly instaled...
I dont know where is the amplifier, it is not at the trunk...
Where is can be installed?? In front? where?

Can be a ground problem??

I have to fix it, it is making me crazy

Sorry my bad english...
If dont understand some words, plase let me know...



Thanks !!
Im sorry if it is not the correct section for this topic/problem!!
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Last edited by Yasser E46; 12-28-2007 at 08:41 PM.
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Old 12-29-2007, 08:49 AM   #2
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Get another OEM amp (be used or new) and swap the one that you have right now, to see if the noises go away.

If the noises remain, then there could be a wiring problem close to that amp, most probably a ground issue.
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Old 12-29-2007, 08:51 AM   #3
Yasser E46
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thanks for the answer.

i can replace my Original BMW AMp by other, just replacing?
or i need to change the plugs? and conections?

thanks!
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Old 12-29-2007, 11:56 AM   #4
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Originally Posted by Yasser E46 View Post
thanks for the answer.

i can replace my Original BMW AMp by other, just replacing?
or i need to change the plugs? and conections?

thanks!
It should be plug 'n play if you stay OEM...
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Old 12-29-2007, 11:58 AM   #5
Yasser E46
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Yes, the problem is found some oem amplifier

The HK amp will work??
I have BMW Sound Modul system!!

Thanks again
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Old 12-31-2007, 01:13 PM   #6
Yasser E46
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someone can help me? :$
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Old 01-01-2008, 07:18 AM   #7
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This is the same problem I have. I have not found a fix for this, besides just turning the music up louder...

And the noises you described came into my stereo system when I installed the Bluetooth ULF. I have the harmon/kardon system with the BMW business CD deck...

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Old 01-01-2008, 08:24 AM   #8
Yasser E46
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Originally Posted by Dirtboy View Post
This is the same problem I have. I have not found a fix for this, besides just turning the music up louder...

And the noises you described came into my stereo system when I installed the Bluetooth ULF. I have the harmon/kardon system with the BMW business CD deck...


hello, we will find the fix for the problem!

because this noise is very irritating and comes inside the head :S



you have H/K system from factory??
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Old 01-01-2008, 01:53 PM   #9
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Quote:
Originally Posted by Yasser E46 View Post

you have H/K system from factory??

Yes, the h/k system came from the factory. The bluetooth was a retro-fit.
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Old 01-09-2008, 02:57 AM   #10
Yasser E46
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Can sombody help us???

thanks!!
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Old 01-17-2008, 04:23 AM   #11
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Hello am New Here ... greetings to all

I also I pass this problem and change the BM54 because it is what is broken ... but the problem is not there because it was broken ... just hard stops ringing regularly ... with very few low .. . now only sounds the right channel ... I believe the problem is in the phase of low because when connected to the low left an unusual noise as a snap

Does anyone have any scheme?

My English is not very good ... sorry

Greetings
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Old 02-01-2008, 12:50 PM   #12
Yasser E46
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Originally Posted by HugoCar View Post

Does anyone have any scheme?
What scheme you need?

Of the bm54 conections??

soy de lisbona!

salu2
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Old 02-27-2008, 06:43 AM   #13
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Verify the power bass before conection of BM54
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Old 02-27-2008, 07:07 AM   #14
Yasser E46
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Verify the power bass before conection of BM54
sorry i dont understand, what is power bass in the conections?
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