BMW Repair Questions? Ask a Mechanic for Answers ASAP
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there are not a lot of other things you can try at home, but I would suggest unhooking the battery for a full hour, and also checking all fuses
if the issue is not resolved, then unfortunately this points to hardware failure of one of the components in the idrive system - commonly the main computer, phone/bluetooth module or power supply module
this will require proper diagnostics and parts replacement, as well as reprogramming.Please let me know if you have further questions. Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you. Best wishes with your vehicle.