BMW 328I 2013–2014 — technical service bulletin
Bulletin 121613 · NHTSA communication 10150255 · issued Oct 1, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2014
model years
4
vehicle entries
Official summary
"Service Action: Program Control Units (MSA). Certain MY 2014 F34 vehicles were produced with the MSA (automatic engine start/stop) mode set to "Default on."
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.