Sunroof reverses when closing
BMW technical service bulletin B540819 for 2019-2020 BMW 330I, 2020 BMW M340I and 2018-2020 BMW 640I.
- Bulletin number
- B540819
- Component
- Structure: body: roof and pillars
- Summary
- SUNROOF REVERSES WHEN CLOSING: This Service Information Bulletin (Revision 3) replaces SI B54 08 19 dated December 2019. The sunroof reverses direction (anti-traps) just as the sunroof glass meets the wind deflector. The sunroof may not properly initialize as a result.
Owners of these vehicles have filed 3 complaints in the body category.
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