BMW 330I 2025 — technical service bulletin
Bulletin B064325 · NHTSA communication 11022869 · issued Aug 19, 2025
Technical service bulletin
communication type
Engine
component
2025
model years
9
vehicle entries
Official summary
Oil Line Return
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.