Quote:
Originally Posted by F20_M135i
This is not linked only to the type of Idrive but also to the presence of COMBOX in the trunk
which sends the audio sources in the opposite direction I have for example a CIC NBT HIGH (origin with COMBOX) and a HU NBT (Android ) and the sound with an AUX cable (audiophile good quality) in the armrest gives satisfaction according to the digital sound file of course.
However, there are still some high volume breath noises which are annoying
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I wrote many times that in case of CIC + combox/mulf2high you need to use either aux extension cable to the armrest or code your CIC to activate AUX in there.
In order to avoid some noises like in your case you need to connect aux wires directly to oem aux harness before the aux socket in the armrest. Perhaps you don't need to connect the oem plug to the AUX, you should test and compare which option is better in your case.
If done correctly there will be crystal clear sound without any noise.