2009 MINI Cooper S Convertible Engine Problems
- Complaints
- 7about this part
- Share
- 78%of 9 total for the year
- Median mileage
- 50,486miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the engine of the 2009 MINI Cooper S Convertible, 78% of the 9 complaints for this model year. Where a mileage was given, the median is 50,486 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I own a 2009 Mini Cooper S Convertible. I bought it 4 months ago. I was driving on i35 going to austin the 26th of december 2015. The vehicle died without a warning while in motion. I turned the hazards on immediately due to the dangerous situation I was in. There was no shoulder to the right; I let the car coast until I saw that I could safely stop. A san marcos cop came to help push the car further in to safety before the electricity of the car completely shut down and my key fob was stuck in the ignition. I had it towed to a bmw repair shop. …”
NHTSA complaint #10816908, filed 2015-12, 50,486 miles“I bought my used 2009 Mini Cooper S Convertible on december 13, 2012. Approximately 10 months later on october 16, 2013, I noticed an oil leak and a couple days later the engine light came on. Brought it to fletcher's tire & auto off 27th drive and carefree hwy and they diagnosed the issue as the water pump and thermostat housing unit as the reason for the leak and engine light. I paid for the repairs to made. Additionally, had the front tires replaced as they were completely worn. …”
NHTSA complaint #10672011, filed 2015-01Related service bulletins
- 10171506Jan 1, 2020CLASS 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…
- 10162441Jul 12, 2019"Cooper S with N14: Diagnosis for Misfire Faults. The Service Engine Soon (MIL) lamp is illuminated and/or the customer complains that the engine runs rough (engine cold or warm)…
- 10193497Jul 29, 2016MINI Water Pump Class Action Settlement
- 10147700Mar 1, 2015"Engine Cranks, No Start and/or Engine Coolant Temperature Faults. 1 The engine either exhibits a crank, no start or a hard start (long crank), usually on a cold engine. No…
- 10147108Feb 1, 2015SI M11 01 12February 2015 EngineTechnical Service This Service Information bulletin supersedes SI M11 01 12 dated March 2014. designates changes to this revision SUBJECT N16 and…
- 10148293Apr 1, 2014N16 and N18 Engine Oil Leak. The customer states that a small engine oil leak can be seen from the underside of the engine. CAUSE The internal sealing of the oil pump volume…
- 10147960Jan 1, 2014"N14 and N18 Engine: High-pressure Pump Repair Instruction. INFORMATION The current version of ISTA/D Repair Instruction 13 51 017, ""Removing and installing or replacing…
- 10147957Jan 1, 2014Service Action: N14 Engine Check Timing Chain Tensioner and Timing Chain. The timing chain tensioner applies pre-tension to the timing chain guide rail mechanism. In some cases…
- 10147956Jan 1, 2014"N16 and N18 Engine Oil Leak. The customer states that a small engine oil leak can be seen from the underside of the engine. CAUSE The internal sealing of the oil pump volume…
- 10044680Jan 1, 2014Mini: on certain model vehicles, an engine oil leak may occur, due to the compromised oil pump volume control solenoid valve, from the underside of engine. No model years listed…
Engine: other model years
Other parts of the 2009 MINI Cooper S Convertible
2 complaintsAir bags
1 complaintsBrakes
1 complaintsFuel system
1 complaintsSeats
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2009 MINI Cooper S Convertible
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology