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On my F10 with bimmerlink app, I have an error code B7F850 (Connection head-unit to microphone 2: line break.
I believe the car have 2 microphone, as I can see the 2 slot above each passenger and driver side head.
Is this error code mean my passenger side microphone does not work ?
I did a little bit of research and here is the only thing I can found.
A piece of information that might be useful to those coding 6NS.
I had coded from 6NH to 6NS some time ago and everything appeared to be working fine, but today I read the fault codes on my car with Rheingold and found that there is an ongoing fault in HU_NBT that reads "B7F850: Microphone 2. Open circuit".
Cars that come from the factory with 6NS (other than convertibles) have a second microphone on the passenger side that is not present on cars that come with 6NH, hence the fault code. Changing HU_NBT > MICROPHONE_NUMBER back to "wert_01" after VO coding HU_NBT should solve the issue.
So after reading all that, I have no clue what 6NH to 6NS mean. It seems to be something with the Bluetooth, which I have.
What is your taught on the that error code, and how to fix it ?
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