Creaking or rattling noise from sunroof area
BMW technical service bulletin B540417 for 2016-2019 BMW 750LI, 2018-2019 BMW 750I and 2017-2020 BMW 740I and others.
- Bulletin number
- B540417
- Component
- Visibility
- Summary
- CREAKING OR RATTLING NOISE FROM SUNROOF AREA: Creaking and/or rattling noise from the sunroof area especially when driving on uneven road surfaces. This can already take place as of low speeds. Incorrect torque applied to the mounting screws during production allowing flexing/movement around the sunroof cassette/glass unit. And/or Improperly installed (loose) threaded bushings in the roof panel.
Owners of these vehicles have filed 2 complaints in the visibility category.
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