From my experience, it seems to be a microphone issue. I can hear my interlocutors well. Howeve, they often tell me they can't hear me very well. I have a Motorola Q and no iDrive.
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Current: 2016 F80 M3 6-Speed | SO | AB XT1 | ZCP | M Performance Suspension | GC Camber Plates
Previous: 2009 E90 M3
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