Service action - replace the wishbone or tension strut
BMW technical service bulletin B310120 for 2019-2021 BMW Z4, 2019-2021 BMW 330I and 2020-2021 BMW M340I and others.
- Bulletin number
- B310120
- Component
- Suspension
- 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.
Owners of these vehicles have filed 5 complaints in the suspension category.
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