BMW Alpina XB7 2019–2023 — technical service bulletin
Bulletin B340720 · NHTSA communication 10238073 · issued May 1, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2023
model years
17
vehicle entries
Official summary
DSCi units which potentially have a faulty hydraulic valve were installed in the vehicles. The affected units may 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.