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      06-27-2010, 12:19 PM   #1
el1818
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Help! multimedia interface-no sound???

i was trying to install a multimedia interface today (07, e92)along with a dvd player and reverse camera. everything seems working but just no sound at all.

i have also read the diy install guide, something i am not clear about is the aux connection part.It says connect aux to rca. but that's no rca ouput from the interface. also, how doeswhen in the aux mode ( in i-drive selection) play sound from the dvd source?

i am lost at the moment.
Can anyone help me here?
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      06-29-2010, 11:46 AM   #2
el1818
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ok, i got the sound working now!!!
its actually to get the interface 'av out 'rca output connected to aux input.
it was not printed on the interface.

however, that's a new issue. the interface is causing whinning noise. it gets louder when i turn the volume up.

The noise stays on even if i unplug the camera-in input connector or dvd input (av1).

that's no whinning noise if i turn everything back to oem (without interface).

anyone with multimedia interface can give some advise here??
What the causes and solutions?
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      07-16-2010, 05:48 PM   #3
Dingdong_79
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hey

hi there, you might have a grounding issue somewhere.

as for the interface, i just installed mine as well but again, i too don't have any sound. I have aux. in my car but how did you get sound through the interface. my aux input is behind the center console kinda odd location. my interface is in the glove box. is there a aux input at the back of the stereo unit. or is there another option? i don't understand why there are audio input but no sound.
please help!!
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      10-16-2010, 11:31 PM   #4
linlaoboo
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interesting read. Where do u guys get the backup camera module and will it work for my 07 e90?
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      10-17-2010, 10:23 AM   #5
fdriller9
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Quote:
Originally Posted by linlaoboo View Post
interesting read. Where do u guys get the backup camera module and will it work for my 07 e90?
+1.

OP, sounds like a ground issue. Try to find the ground for the radio so you have a common grounding point. Otherwise you could try a ground loop isolator or a put a noise filter between the AUX connection. They make plenty of 3.5mm noise filters...usually around $10 too.
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      10-17-2010, 05:18 PM   #6
oca123
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what "interface" is this?
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