BMW 330E 2016–2021 — technical service bulletin
Bulletin B610321 · NHTSA communication 10190859 · issued Mar 1, 2021
Technical service bulletin
communication type
Equipment
component
2016–2021
model years
55
vehicle entries
Official summary
PROGRAMING THE DUAL STORAGE SYSTEM AND REPLACE IT IF NECESSARY: The 12 V battery's dual storage system (DSS) may contain a software error which intermittently causes a continuous resetting of the microcontroller and communication failure.
Vehicles covered
- 2021 BMW 330E
- 2019 BMW 330I
- 2020 BMW 330I
- 2021 BMW 330I
- 2021 BMW 430I
- 2017 BMW 740E
- 2018 BMW 740E
- 2019 BMW 740E
- 2017 BMW 740I
- 2018 BMW 740I
- 2019 BMW 740I
- 2020 BMW 740I
- 2021 BMW 740I
- 2016 BMW 740LI
- 2017 BMW 740LI
- 2020 BMW 745E
- 2018 BMW 750I
- 2019 BMW 750I
- 2016 BMW 750LI
- 2017 BMW 750LI
- 2018 BMW 750LI
- 2019 BMW 750LI
- 2021 BMW 750LI
- 2020 BMW 840I
- 2021 BMW 840I
- 2018 BMW B7 Alpina
- 2019 BMW B7 Alpina
- 2020 BMW B7 Alpina
- 2021 BMW B7 Alpina
- 2021 BMW F 850 GS Adventure
- 2020 BMW M340I
- 2021 BMW M340I
- 2021 BMW M440I
- 2017 BMW M760I
- 2018 BMW M760I
- 2019 BMW M760I
- 2020 BMW M760I
- 2021 BMW M760I
- 2020 BMW M8
- 2021 BMW M8
- 2020 BMW M850I
- 2021 BMW M850I
- 2019 BMW M850XI
- 2020 BMW M8 Gran Coupe
- 2019 BMW X5
- 2020 BMW X5
- 2021 BMW X5
- 2020 BMW X6
- 2021 BMW X6
- 2019 BMW X7
- 2020 BMW X7
- 2021 BMW X7
- 2019 BMW Z4
- 2020 BMW Z4
- 2021 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.