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BMW TSB #B652219
2020 BMW X3
TSB Document:
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- NO AUDIO IS AVAILABLE FOR APPROXIMATELY 30 SECONDS AFTER HEAD UNIT START UP: After programming vehicle no audio is available for approximately 30 seconds after head unit start-up. Fault code B7F490 "Control unit reset" is present in the RAM (Receiver Audio Module).
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