I went by way of this myself. For some motive my 13 328i had bluetooth music however my 14 235i doesnt. I used to be shocked, purchased the automobile with out ever pondering to verify!
I discovered the repair in these boards. In brief, you’ve got all of the {hardware} needed for bluetooth streaming however it is advisable code the automobile to really allow you to use it (huge dumb).
I used protool to re code two modules to activate the bluetooth audio streaming.
Listed below are some threads:
https://www.2addicts.com/boards/showthread.php?t=997749
http://www.bimmerfest.com/boards/sho…96#post8020396
http://www.2addicts.com/boards/showthread.php?t=1222935
Good luck!