BMW 740I 2023 — technical service bulletin
Bulletin B110723 · NHTSA communication 11000497 · issued May 23, 2024
Technical service bulletin
communication type
Engine
component
2023
model years
3
vehicle entries
Official summary
The return springs on the exhaust camshaft followers (switchable rocker arm) may break.
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.