BMW X5 2019–2021 — technical service bulletin
Bulletin B340720 · NHTSA communication 10203334 · issued Sep 1, 2021
Technical service bulletin
communication type
Equipment
component
2019–2021
model years
9
vehicle entries
Official summary
DSCi units which potentially have a faulty hydraulic valve were installed in the vehicles. The affected unitsmay activate a sporadic red-colored Check Control Message.
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.