BMW 330I 2016–2020 — technical service bulletin
Bulletin B652219 · NHTSA communication 10169474 · issued Nov 1, 2019
Technical service bulletin
communication type
Equipment Adaptive/mobility
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.