BMW 535I Gran Turismo 2009–2015 — technical service bulletin
Bulletin B652115 · NHTSA communication 10147835 · issued Nov 1, 2015
Technical service bulletin
communication type
Equipment
component
2009–2015
model years
22
vehicle entries
Official summary
November 2015 Technical Service Speaker noise heard while traveling at highway speeds with the sunroof open. While driving at higher road speeds with the sunroof open a distortion or pulsating noise can be heard from the central bass speaker(s). Central bass speaker design
Vehicles covered
- 2010 BMW 535I Gran Turismo
- 2011 BMW 535I Gran Turismo
- 2010 BMW 550I Gran Turismo
- 2011 BMW 550I Gran Turismo
- 2012 BMW 740I
- 2013 BMW 740I
- 2014 BMW 740I
- 2015 BMW 740I
- 2011 BMW 740I US
- 2011 BMW 740LI
- 2009 BMW 750I
- 2010 BMW 750I
- 2011 BMW 750I
- 2012 BMW 750I
- 2013 BMW 750I
- 2014 BMW 750I
- 2015 BMW 750I
- 2009 BMW 750LI
- 2010 BMW 750LI
- 2011 BMW 750LI
- 2010 BMW 760LI
- 2011 BMW 760LI
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.