CHECK CONTROL MESSAGE "ROOF NOT LOCKED": A check control message is displayed stating "Roof not locked",...
BMW technical service bulletin B540221 for 2019-2021 BMW Z4.
- Bulletin number
- B540221
- Component
- Electrical system: software
- Summary
- CHECK CONTROL MESSAGE "ROOF NOT LOCKED": A check control message is displayed stating "Roof not locked", although the roof is securely locked.
Owners of these vehicles have filed 3 complaints in the electrical category.
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