BMW X5 2019–2021 — technical service bulletin
Bulletin B370121 · NHTSA communication 10203337 · issued Sep 1, 2021
Technical service bulletin
communication type
Suspension
component
2019–2021
model years
5
vehicle entries
Official summary
After performing vehicle test, fault code 80422D "self-leveling suspension missing slave" will not clear.
Vehicles covered
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.