I was playing music from a USB stick without issues. Next day I get start the car and “Aux” is greyed out and I can’t get Aux or USB to work at all. A day later it goes back working without issue.
I’ve been having battery issues since I got the car. The po had replaced the battery with a non bmw one. Could this be more battery issues?
I wouldn't think battery issues. But I've seen crazier things.
ASE and BMW Master Certified Technician
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