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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > CCC + android head unit weird no sound issue.



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      05-03-2021, 02:41 PM   #1
GoGoo22
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CCC + android head unit weird no sound issue.

Hi,

I have a e90 with CCC idrive and aux input in the arm rest. I installed my Andream Android HU. The unit startsup and every thing works, but in android mode i dont have any sound? I do have sound under the idrive mode, so AM/FM, CD works and also if o hook up a separate aux cable in the aux input and connect my ipod i have sound. But as soon as i connect the aux cable back on my android i dont have any sound? The green optical cable is connected from the original harness to the android harness. I also checked the settings on the android head unit? And tried different aux cables

Im out of options, im not sure where to look in for the issue?

Can any one help me out?
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      05-03-2021, 10:36 PM   #2
ctuna
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Do you have the base , hi fi or logic 7 sound system.
Did you transfer the Most Cable to the new Wire Harness if
it was necessary.
Did you have the 6Fl usb option that causes the Aux to be sourced
from the the Mulf 2 hi or combox.(not the back of the idrive)
Did this thing have instructions.
If you had 6FL and the aux in console came from the combox or mulf hi
that is where your new unit needs to get it's aux .
As when 6FL is programmed in any Aux coming off the Idrive Head unit
is programmed to off.



https://www.google.com/search?client...ream+head+unit

Last edited by ctuna; 05-03-2021 at 10:47 PM..
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      05-04-2021, 02:01 AM   #3
GoGoo22
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I dont have a amp in the back, its base system. Not sure what you mean with most cable but if you mean the green/black cable on the original harnass yes i transfered it to the android harnas. And i dont have a usb/aux connection, just aux.
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      05-06-2021, 12:24 PM   #4
GoGoo22
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Well after a lot of research and patience i found the issue:

View post on imgur.com


This black box seems to be aux, after opening this blackbox i saw that it has a connector and this connector was loose ��

After reconnecting the connector i had sound finaly!!!

Also i DO NOT use a AUX cable which goes from behind the idrive radio which goes to the aux in the armrest. So i think because of this blackbox i can use it with out routing a cable to my aux in my armrest.

Hope it will help some one some time
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