BMW TSB #B652115
2012 BMW 740
Affected Component: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
- 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