No audio is available for approximately 30 seconds after head unit start up
BMW technical service bulletin B652219 for 2019 BMW X5, 2018-2020 BMW X3 and 2019 BMW Z4 and others.
- Bulletin number
- B652219
- Component
- Equipment
- 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).
Vehicles covered
- BMW X5 2019 2019
- BMW X3 2018-2020 201820192020
- BMW Z4 2019 2019
- BMW 330I 2019 2019
- BMW 530I 2017-2018 20172018
- BMW 750LI 2016-2017 20162017
- BMW X7 2019 2019
- BMW 540I 2017 2017
- BMW X6 2020 2020
- BMW 740I 2017 2017
- BMW X4 2019-2020 20192020
- BMW 530E 2018 2018
- BMW 740LI 2016-2017 20162017
- BMW M550I 2017 2017
- BMW 640I 2018 2018
- BMW 540D 2018 2018
- BMW 740E 2017 2017
- BMW M850I 2019 2019
- BMW M760I 2017 2017
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