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October 8, 2025 Service bulletin

A “popping” sound is heard coming from the Roof/B-pillar area when driving over small driveway curbs.

BMW technical service bulletin B540525 for 2024 BMW X3 and 2024 BMW X4.

Bulletin number
B540525
Component
Structure: body
Summary
A “popping” sound is heard coming from the Roof/B-pillar area when driving over small driveway curbs.

Owners of these vehicles have filed 2 complaints in the body category.

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