BMW 335D 2009–2013 — technical service bulletin
Bulletin B011017 · NHTSA communication 10145276 · issued Jul 1, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2013
model years
8
vehicle entries
Official summary
M57y front and rear exhaust nox sensors: limited
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.