OS7, OS8 and OS8.5
With iDrive active in radio-ready state, hold the audio unit’s volume-control button for up to 70 seconds. Release it when the display goes blank, then allow the system to restart.
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OS9
First open Apps menu, ConnectedDrive store, Manage, then Update all. After that completes, keep the vehicle parked in drive-ready mode and hold the mute/VOL button near the center console for up to 70 seconds. Release when the screen goes blank and wait for restart.
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Recheck the original symptom
Try the affected device connection, app or service after the system has fully returned. Record whether the same issue remains. These are BMW’s restart steps, not a factory-data reset; persistent disconnections or app errors still need diagnosis.
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Sources / references 1
- BMW — manufacturer instructions ↗Reviewed Oct 8, 2026
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