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BMW TSB #B651520
2020 BMW Z4
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- HEAD UNIT RESETS WHEN NAVIGATION IS USED IN CERTAIN LOCATIONS: The head unit resets sporadically causing the CID to turn black and then starts up again after a short time with the message "Start navigation system". This only occurs during navigation guidance when the "3D building" function is used Software in the Head Unit High (HU-H3).
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