MINI Cooper S 2011–2012 — technical service bulletin
Bulletin M120211 · NHTSA communication 10148053 · issued Sep 1, 2014
Technical service bulletin
communication type
Engine
component
2011–2012
model years
9
vehicle entries
Official summary
Hesitation or Jerking Is Felt When Accelerating Between 3000 - 4000 rpm. A hesitation or jerking is intermittently felt when accelerating under higher loads between 3000 - 4000 rpm. No DME faults are stored. DME software error
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.