A rattling noise is heard in the vehicle interior when the air conditioning (AC) is activated.
BMW technical service bulletin B640521 for 2019-2022 BMW 330I, 2022 BMW M3 and 2020-2021 BMW M340I and others.
- Bulletin number
- B640521
- Component
- Structure
- Summary
- A rattling noise is heard in the vehicle interior when the air conditioning (AC) is activated.
Owners of these vehicles have filed 3 complaints in the body category.
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