BMW 740I 2019–2023 — technical service bulletin
Bulletin B661023 · NHTSA communication 10238092 · issued May 1, 2023
Technical service bulletin
communication type
Electrical System
component
2019–2023
model years
16
vehicle entries
Official summary
"After programming to I-level 23-03-5xx, the fault memory 0x022270 is stored in the mPAD (Medium Platform Automatic Driving) and cannot be deleted. A Check Control message ""Driver assistance"" is displayed in the central information display. "
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.