BMW 328D 2011–2018 — technical service bulletin
Bulletin B110618 · NHTSA communication 10145292 · issued Jun 1, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2018
model years
22
vehicle entries
Official summary
TURBO BOOST ACTUATOR ROD LOOSE (DIESEL): Limited engine performance (lack of boost) with a Malfunction Indicator Lamp (MIL) illuminated.
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.