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November 20, 2025 Service bulletin

Contamination on the outer track(s) of thes unroof cassette

BMW technical service bulletin B540325 for 2025 BMW X1.

Bulletin number
B540325
Component
Structure: body
Summary
Contamination on the outer track(s) of thes unroof cassette. This can occur on either one or both side of the sunroof cassette.

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