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Service bulletin M120618

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10143573
Published by NHTSA2018-08-06
Manufacturer's numberM120618
Manufacturer's date2018-05-01
NHTSA componentENGINE; POWER TRAIN

NHTSA's summary

JCW ENGINE TUNING KIT - ENGINE LOSS OF POWER IN STOP-AND-GO DRIVING: The engine may lose power if the vehicle is decelerated, in gear, to a near stop and then accelerated again.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Transmission and driveline

Vehicles listed
MINI COOPER2014 to 2015
MINI COOPER2017 to 2018
MINI COOPER CONVERTIBLE2016
MINI COOPER S2014 to 2017
MINI JOHN COOPER WORKS2015 to 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
M1301192019-09-23. Service bulletin. LIN BUS COMMUNICATION FAULT FOR ENVIRONMENTAL AIR CATALYST (EAC) SENSOR FC1B8302. The malfunction indicator lamp light is on (MIL) with the following fault code stored in the DME.
M1301192019-09-23. Service bulletin. LIN BUS COMMUNICATION FAULT FOR ENVIRONMENTAL AIR CATALYST (EAC) SENSOR FC1B8302. The malfunction indicator lamp light is on (MIL) with the following fault code stored in the DME.
M1202192019-08-19. Service bulletin. DIAGNOSTIC HINT: CATALYTIC CONVERTER INSPECTION AFTER LOSS OF CRANKSHAFT SIGNAL: In certain situations when the crankshaft position signal is lost while driving the malfunction indicator lamp (MIL) and an engine malfunction check control message (CCM #29) may be displayed. The engine may run roughly or with reduced power.
M2401192019-07-22. Service bulletin. EGS FAULTS STORED AFTER AISIN TRANSMISSION REPLACEMENT. Due to hardware changes in the AISIN GA6F21AW or GA8F22AW transmissions.
M1101172019-06-24. Service bulletin. The Service Engine Soon (MIL) light is on with the following fault stored in the Digital Motor Electronics (DME). In the situation being described the fault is only stored during the cold winter months along with the use of winter fuel.
M0108172019-04-22. Service bulletin. N16 ENGINE IGNITION COILS: LIMITED WARRANTY EXTENSION TO 10 YEARS/120000 MILES This Service Information bulletin supersedes SI M01 08 17 dated February 2018.
M1101192019-03-18. Service bulletin. ENGINE VIBRATIONS OR NOISE. One of the following complaints may be reported: The engine runs erratically; The engine causes vibrations when running; Grinding noise from the engine compartment when engine is running.
M1601192019-02-25. Service bulletin. ENGINE STALLS AFTER STARTING OR WILL NOT START. The engine stalls right after starting (when stationary).
M1101172019-02-25. Service bulletin. FAULT 118002 - MIXTURE TOO RICH SETS DURING WINTER WITH COLD AMBIENT TEMPERATURES.
M2301082019-01-07. Service bulletin. "MANUAL TRANSMISSION - STIFF DIAGONAL GEARSHIFT LEVER MOVEMENT. The customer may complain of a ""stiff diagonal shift"" (e.g., N-R, R-N, 2-3/3-2 or 4-5/5-4). Also, in some cases, gears cannot be selected, or the selector gear does not go into the neutral position. CAUSE 1. The deflection lever circlip of the gearshift mechanism is damaged or missing. 2. Possible corrosion at the gearshift mechanism (shift cables or transmission gearshift unit)"