Cable connection problem AUX

Who knows how can I fix it?
before I had the meizu MX4 and attack him in the car via AUX cable.
when I received a phone call I could very well speak for the integrated microphone in the car a BMW X3. now with the PRO 5 you have to put your hands free because it does not recognize the built-in microphone in my car!
how do I fix? Thank you


@astikv I have no idea how it is with BMW, but in a Mercedes the whole thing works just fine over Bluetooth and AUX.
What firmware are you using and does the X3 offers Bluetooth Audio? If yes, you maybe want to try that.

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