Retractable hardtop status request supplement
BMW technical service bulletin B540907 for 2007-2010 BMW 3 Series, 2011 BMW 1 Series and 2014-2018 BMW M4 and others.
- Bulletin number
- B540907
- Component
- Structure
- Summary
- Retractable hardtop status request supplement
Owners of these vehicles have filed 14 complaints in the body category.
Vehicles covered
- BMW 3 Series 2007-2010 2007200820092010
- BMW 1 Series 2011 2011
- BMW M4 2014-2018 20142015201620172018
- BMW 6 Series 2012 2012
- BMW 1 Series M 2013 2013
- BMW R Nine T 2014-2017 2014201520162017
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