BMW 330E 2019–2021 — technical service bulletin
Bulletin B310120 · NHTSA communication 10181218 · issued Sep 1, 2020
Technical service bulletin
communication type
Suspension
component
2019–2021
model years
9
vehicle entries
Official summary
SERVICE ACTION - REPLACE THE WISHBONE OR TENSION STRUT: An incorrectly pressed-in rubber mount in the wishbone, or hydraulic mount in the tension strut can lead to acoustic abnormalities in the front axle. A process fault at the supplier resulted in the mounts of the affected wishbone or tension strut to be incorrectly pressed in.
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.