MINI Cooper 2014–2019 — technical service bulletin
Bulletin M110816 · NHTSA communication 10151289 · issued Apr 1, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2019
model years
4
vehicle entries
Official summary
B38, B46 and B48 Engines: Engine and Cylinder Head Replacement Procedures. The engine may run rough and exhibit an engine noise from the VANOS area after the cylinder head or the engine is replaced.
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.