2012 MINI Cooper S problems & reliability
23 owner complaints filed with NHTSA for the 2012 MINI Cooper S, alongside 2 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 13 | 57% |
| Engine | 4 | 17% |
| Fuel/propulsion System | 3 | 13% |
| Structure | 2 | 9% |
| Air Bags | 1 | 4% |
| Exterior Lighting | 1 | 4% |
| Fuel System, Gasoline | 1 | 4% |
| Power Train | 1 | 4% |
| Seat Belts | 1 | 4% |
| Seats | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“The contact owns a 2012 Mini Cooper S. The contact stated that while driving, the vehicle failed to accelerate above 40 MPH, with the check engine warning light illuminated. The vehicle was taken to a dealer and the contact was informed that the fuel pump was defective, and the fuel pump was replaced. The contact…”
Fuel System, Gasoline · filed Jun 5, 2025
“My vehicle has an outstanding recall (NHTSA Recall #23V337) from over a year and a half ago. There is still no update on when this will be remedied. The recall states there is potential for a "thermal event", which to me is a fancy way of saying fire. For an incident where my vehicle can catch fire, I expect a bit…”
Electrical System · filed Dec 30, 2024
“The contact owns a 2012 Mini Cooper S. The contact stated that the headlights, turn signals, windows, and the radio were inoperable. There were no warning lights illuminated. The contact stated that the failure was related to NHTSA Campaign Number: 23V337000 (Electrical System) however, the VIN was not included. The…”
Electrical System · filed Aug 5, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
152 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2012 MINI Cooper S. The 10 most recent:
MINI electrical systems have continued to develop over the past few years. As a result, the demand on the batteries has increased. Breakdowns due to an empty battery or problems in the vehicles electrical system can…
M610607 · Service Bulletin/Repair Instructions · issued Oct 25, 2023
New RDC wheel electronics will be introduced with future generation MINI models. The new wheel electronics are identified as Huf Generation 5. These new wheel electronics will need to be programmed using the new tool…
M360119 · Service Bulletin/Repair Instructions · issued Dec 1, 2021
OC3 SEAT OCCUPANCY MAT - LIMITED WARRANTY EXTENSION TO 10 YEARS/120,000 MILES: Component-Specific Limited Warranty Extension For the above-referenced vehicles, MINI USA, a division of BMW of North America, LLC (MINI…
M011116 · Service Bulletin/Repair Instructions · issued Aug 1, 2020
CLASS ACTION SETTLEMENT: N14 HIGH-PRESSURE FUEL PUMP (HDP) SERVICE BENEFIT CLASS VEHICLES: The MINI vehicle may experience a sudden engine operational failure reduced or loss of power while driving and the malfunction…
M010419 · Service Bulletin/Repair Instructions · issued Jan 1, 2020
Air Conditioning System Leak Testing. The customer complains of poor or no air conditioning cooling. After further diagnosis, the system is found to be low or empty of a refrigerant charge, but when using an electronic…
M640108 · Service Bulletin/Repair Instructions · issued Jul 12, 2019
Service Action: Checking or Replacing the Door Sill Trim Strips. The door sill trim strips are deformed and/or peeling up at the corners. CAUSE: Insufficient surface preparation of the door sill.
M510912 · Service Bulletin/Repair Instructions · issued Jul 12, 2019
"Service Action: Retrofit of the Engine Coolant Temperature Sensor. Internal corrosion could form in the engine coolant temperature sensor. This corrosion leads to internal bridging of the contacts, which can cause an…
M170912 · Service Bulletin/Repair Instructions · issued Jul 12, 2019
Oc3 seat occupancy mat: limited warranty extension to 10 years/120.
M011116 · Service Bulletin/Repair Instructions · issued Jan 1, 2019
"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…
M230108 · Service Bulletin/Repair Instructions · issued Nov 1, 2018
ENGINE CRANKS, NO START AND/OR ENGINE COOLANT TEMPERATURE FAULTS: NOTE: The engine may also exhibit the same starting behavior as in Situation1.
M170115 · Service Bulletin/Repair Instructions · issued Jul 1, 2018
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2012 MINI Cooper S has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2012 MINI Cooper S?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.