BMW 328I 2012–2016 — technical service bulletin
Bulletin B111716 · NHTSA communication 10146570 · issued Mar 1, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2016
model years
5
vehicle entries
Official summary
?VOLUNTARY EMISSIONS RECALL CAMPAIGN 16E-A05 - N26 ENGINE: REPLACE TURBOCHARGER OIL SUPPLY LINE What's New: ? Labor allowance adjusted for xDrive vehicles . Carbonization of the turbocharger sealing ring can cause the exhaust to smoke briefly during cold start up.
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.