BMW 330I 2016–2020 — technical service bulletin
Bulletin B652219 · NHTSA communication 10169474 · issued Nov 1, 2019
Technical service bulletin
communication type
Equipment
component
2016–2020
model years
25
vehicle entries
Official 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
- 2019 BMW 330I
- 2018 BMW 530E
- 2017 BMW 530I
- 2018 BMW 530I
- 2018 BMW 540D
- 2017 BMW 540I
- 2018 BMW 640I
- 2017 BMW 740E
- 2017 BMW 740I
- 2016 BMW 740LI
- 2017 BMW 740LI
- 2016 BMW 750LI
- 2017 BMW 750LI
- 2017 BMW M550I
- 2017 BMW M760I
- 2019 BMW M850I
- 2018 BMW X3
- 2019 BMW X3
- 2020 BMW X3
- 2019 BMW X4
- 2020 BMW X4
- 2019 BMW X5
- 2020 BMW X6
- 2019 BMW X7
- 2019 BMW Z4
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.