BMW 228I 2022 — technical service bulletin
Bulletin B310122 · NHTSA communication 11027761 · issued Jan 3, 2026
Technical service bulletin
communication type
Suspension
component
2022
model years
8
vehicle entries
Official summary
During inspection and/or diagnosis there is noticeable dirt/grease buildup on the axles near the inner and/orouter CV boots.
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.