This situation can result in two customer complaints: 1. Wind noise 2. Excess water entry
BMW technical service bulletin B540421 for 1999-2024 BMW X5, 2004-2024 BMW X3 and 2019-2024 BMW X7 and others.
- Bulletin number
- B540421
- Component
- Visibility: sun/moon roof assembly
- Summary
- This situation can result in two customer complaints: 1. Wind noise 2. Excess water entry
Owners of these vehicles have filed 144 complaints in the visibility category.
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