MINI Cooper 2014–2017 — technical service bulletin
Bulletin M120816 · NHTSA communication 10146801 · issued Dec 1, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2017
model years
4
vehicle entries
Official summary
RATTLING NOISE UNDER LIGHT LOAD. Faint rattling noise is heard from engine while under a light load or in a coasting overrun condition. Normal turbocharger operational sounds. Depending on current Integration level, reprogram vehicle to improve engine acoustics. For conditions that are similar to the situation described: Run diagnosis with ISTA and check the level to which the vehicle has been programmed; Program and encode the complete vehicle using ISTA/P 3.60.0 or ISTA NEXT 4.02.10 or higher to integration level F056-16-11-500 or higher.
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.