Bluetooth/telephone/usb issue bmw f30 328i 335i 435i 535i

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How I fixed my BMW f30 Bluetooth/telephone/ usb module for $29 with no coding (plug & play ) • How I fixed my BMW f30...
My 2012 bmw f30 335i has been having ak issue whwre my bluetooth and telephone sit on a please wait acreen as well as my middle console USB does not work. Adter doing alot if research and chedking fuses, wires, connections, sofrware uodates and more, i finally caved and took the car to BMW too get a diag. On what is wrong. They quoted me $1600 but luckily im under warranty. A 3rd party warranty not a BMW warranty. You fan buy a combox online and code it yourself as well if your having the same issue.