The sunroof will not operate in either direction
BMW technical service bulletin B540521 for 2017-2022 BMW 530I, 2016-2019, 2021-2022 BMW 750LI and 2017-2022 BMW 540I and others.
- Bulletin number
- B540521
- Component
- Visibility: sun/moon roof assembly
- Summary
- The sunroof will not operate in either direction. There are NO faults stored related to the sunroof. If the vehicle has any faults stored related to the sunroof, this bulletin does not apply.
Owners of these vehicles have filed 8 complaints in the visibility category.
Vehicles covered
- BMW 530I 2017-2022 201720182019202020212022
- BMW 750LI 2016-2019, 2021-2022 201620172018201920212022
- BMW 540I 2017-2022 201720182019202020212022
- BMW 750I 2018-2019 20182019
- BMW 740I 2017-2022 201720182019202020212022
- BMW M5 2018-2022 20182019202020212022
- BMW 530E 2018-2022 20182019202020212022
- BMW 740LI 2016-2017 20162017
- BMW M550I 2017-2022 201720182019202020212022
- BMW 540D 2018-2020 201820192020
- BMW 740E 2017-2019 201720182019
- BMW M760I 2017-2022 201720182019202020212022
- BMW B7 Alpina 2018-2020 201820192020
- BMW 745E 2020-2022 202020212022
- BMW Alpina Xb7 2021-2022 20212022
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