Groaning from the side windows
BMW technical service bulletin B510921 for 2015-2016 BMW 228I, 2017-2021 BMW 230I and 2015-2016 BMW M235I and others.
- Bulletin number
- B510921
- Component
- Back over prevention
- Summary
- GROANING FROM THE SIDE WINDOWS: There is a groaning noise present from the area where the side windows meet the convertible top while driving. Insufficient seal pressure against the side windows.
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