A rattling noise is heard in the vehicle interior when the air conditioning is activated.
BMW technical service bulletin B640521 for 2019-2021 BMW 330I, 2020-2021 BMW M340I and 2021 BMW 330E.
- Bulletin number
- B640521
- Component
- Equipment: appliance: air conditioner
- Summary
- A rattling noise is heard in the vehicle interior when the air conditioning is activated.
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