MINI Cooper 2014–2018 — technical service bulletin
Bulletin M120318 · NHTSA communication 10136002 · issued Mar 1, 2018
Technical service bulletin
communication type
Back Over Prevention
component
2014–2018
model years
11
vehicle entries
Official summary
BUZZING NOISE FROM VALVETRONIC MOTOR BEFORE OR AFTER ENGINE OPERATION: Buzzing noise may be heard from the Valvetronic motor when the vehicle is unlocked, before the engine is started, or after engine is turned off.
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.