BMW 528I 2011–2013 — technical service bulletin
Bulletin B651216 · NHTSA communication 10136360 · issued Mar 1, 2018
Technical service bulletin
communication type
Equipment
component
2011–2013
model years
15
vehicle entries
Official summary
Integrated Navigation Voice Not Loud Enough: Integrated Navigation voice guidance is not loud enough to be heard over loud music.
Vehicles covered
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.