BMW X3 2018–2021 — technical service bulletin
Bulletin B310122 · NHTSA communication 10214258 · issued Feb 1, 2022
Technical service bulletin
communication type
Wheels
component
2018–2021
model years
26
vehicle entries
Official summary
During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/or outer CV boots.
Vehicles covered
- 2018 BMW X3
- 2019 BMW X3
- 2020 BMW X3
- 2021 BMW X3
- 2021 BMW X3 Hybrid
- 2018 BMW X4
- 2019 BMW X4
- 2020 BMW X4
- 2021 BMW X4
- 2018 BMW X5
- 2019 BMW X5
- 2020 BMW X5
- 2021 BMW X5
- 2021 BMW X5 Hybrid
- 2018 BMW X5 M
- 2018 BMW X6
- 2019 BMW X6
- 2020 BMW X6
- 2021 BMW X6
- 2018 BMW X6 M
- 2019 BMW X6 M
- 2020 BMW X6 M
- 2019 BMW X7
- 2020 BMW X7
- 2021 BMW X7
- 2021 BMW XB7
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.