BMW Alpina XB7 2018–2023 — technical service bulletin
Bulletin B511722 · NHTSA communication 10238080 · issued May 1, 2023
Technical service bulletin
communication type
Visibility
component
2018–2023
model years
28
vehicle entries
Official summary
Due to the semiconductor supply, the Local Interconnect Network module in either of the exterior mirrors was switched to another controller. That one provides an imprecise voltage measurement, which the main controller interprets as a fault.
Vehicles covered
- 2022 BMW Alpina XB7
- 2023 BMW Alpina XB7
- 2021 BMW B7 Alpina
- 2018 BMW X3
- 2019 BMW X3
- 2020 BMW X3
- 2021 BMW X3
- 2022 BMW X3
- 2023 BMW X3
- 2019 BMW X4
- 2020 BMW X4
- 2021 BMW X4
- 2022 BMW X4
- 2023 BMW X4
- 2019 BMW X5
- 2020 BMW X5
- 2021 BMW X5
- 2022 BMW X5
- 2023 BMW X5
- 2020 BMW X6
- 2021 BMW X6
- 2022 BMW X6
- 2020 BMW X6 M
- 2019 BMW X7
- 2020 BMW X7
- 2021 BMW X7
- 2022 BMW X7
- 2023 BMW X7
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.