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Engine & cooling

Mini Cooper Convertible Engine problems by year

55 complaints filed with NHTSA about the Mini Cooper Convertible's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Engine complaints by model year

YearEngine complaintsCrashesInjuriesRecalls
201514210
20134000
201218100
201119010

Latest Cooper Convertible engine complaints

2015 Mini Cooper ConvertibleEngine & coolingFuel system

Lower Engine Support and Passenger Engine Mount damaged as per routine inspection by dealer in Feb2025. Never diagnosed before. Repair done by independent service center in Feb2025 and I have receipt of approximately 1K. Also, since 22feb2025, I am not able to add fuel to the tank because the pump stops constantly and causes spill of fuel. This can cause fire. Never happened before. Tried at least 4 different gas station and same result. Dealer charges over $200 to perform inspection/diagnostics. Not done yet. Repairs to fuel tank are in the thousands. No warning in the car dashboard for none of the issues. Car with less than 80k miles.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11644422
2013 Mini Cooper ConvertibleTransmission & drivetrainEngine & coolingFuel system

Freeze plug randomly popped out while driving causing vehicle to stall in the middle of traffic almost causing a major accident and or death. Research indicates there has been numerous complaints by Mini Cooper owners experiencing the same issue of a premature unexplained failure with no action taken from Mini to mitigate this safety issue. I'm lucky to be alive.

Filed Incident Power train · Engine · Fuel / propulsion systemNHTSA 11574805
2011 Mini Cooper ConvertibleEngine & coolingFuel system

There are no open recalls on my car. I am needing physical proof/documentation that the recall part has been replaced. The car is having issues stalling/losing power while driving. The dealership claims there is nothing wrong with the car and if they can't recreate failure then the car is deemed fine to drive. This car was purchased for my 16yr old son as a daily driver. After multiple weeks of the car being at The Mini of Tempe Dealership, they released the car back to me because there is "nothing wrong" with...

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the car. I took it to another specialized Mini mechanic in the area for a second opinion. This mechanic states the cause of intermittent failure is from the Auxillary Coolant Pump for the Turbo. This is the same part that was a safety recall for potential fire. I have no record of this part ever being replaced. As described in the recall, the car is at risk of fire. Recall campaign #[[redacted]] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Incident Engine · Fuel / propulsion systemNHTSA 11564897
2015 Mini Cooper ConvertibleEngine & cooling

The contact owns a 2015 Mini Cooper. The contact stated that after the vehicle was taken to a local dealer for a routine oil change, the mechanic also determined that the valve cover gasket needed to be replaced and an unknown engine software needed to be updated. The vehicle was not repaired. The manufacturer was made aware of the failure, and the contact was advised to file a complaint with the NHTSA Hotline. The approximate failure mileage was 78,000.

Filed Incident Engine · Engine and engine coolingNHTSA 11517933
2011 Mini Cooper ConvertibleTransmission & drivetrainElectrical systemEngine & cooling

I had several repairs recently that I found that were part of a recall after the fact. This includes the Electric Auxilillary Water Pump and Timing Chair replacement and repair of damaged parts. They refused to reimburse me for the water pump repair that should have been covered. Secondly, when the timing chain fails as it did in my case can cause $2000- $5000+ in damages. My shop is stating this would be a very expensive repair. There is information that the timing chain warranty was extended because of a class action lawsuit and is now covered up to 100,000 miles. I am well within that range. My goal is to get compensation for the recall work and coverage for the timing chain.

Filed Incident Power train · Electrical system · EngineNHTSA 11485070
2013 Mini Cooper ConvertibleElectrical systemEngine & coolingFuel system

Repeated experiences of sudden engine operational failure and reduced and/or complete loss of power while driving. The engine malfunction indicator lamp comes on. Car stalls and stops in traffic on the highway and on streets blocking traffic. Will not start again until powered off for periods between 5-15 minutes if at all. -First experienced the issue February 2020 and have intermittently experienced the same issue ever since. -Occurs when driving at a variety of speeds and a variety of fuel levels. -If...

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diagnostics were able to reveal an issue both fuel pumps were noted as the cause on different occasions. The High Pressure Fuel Pump has been the most diagnosed and repaired issue. -Car has been diagnosed by the dealer and 3 independent service repair shops. Dealer stated no recall or existing issue that would cover this problem and have not received any notifications from the manufacture.

Filed Incident Electrical system · Engine · Fuel / propulsion systemNHTSA 11449140
2015 Mini Cooper ConvertibleEngine & cooling

Crankshaft Pulley burnt while driving. Could not accelerate. Car threw overheating codes and AC blew hot air. Battery Charging Malfunction error shown as well.

Filed Incident EngineNHTSA 11427300
2015 Mini Cooper ConvertibleEngine & cooling

The contact owns a 2015 Mini Copper The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic and the contact was informed that the fuel tank needed to be replaced. The local dealer was not contacted. The vehicle was not diagnosed nor repaired. The manufacturer was notified of the failure. The failure mileage was 78,000. The Vin was not available

Filed Incident EngineNHTSA 11426647
2012 Mini Cooper ConvertibleEngine & coolingFuel system

This car was maintained, by Mini and BMW authorized mechanics and only had OEM parts installed and followed management of vehicle as directed by manufacturer, throughout its history. It was always driven and kept in moderate weather conditions, no extreme heat, cold, wet, or speeds. Used almost daily for 30-60 minute commutes. Just after 100K miles, total engine failure was suddenly experienced on the freeway, due to combustion in two valves, damaging two cylinders and sudden leaking of the exhaust system under the...

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hood. The manufacturer, BWM, has been shown evidence of malfunctioning of the four cylinder engine and will not show evidence of their grounds for why they will not take responsibility.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11424692
2012 Mini Cooper ConvertibleElectrical systemDriver assistanceEngine & coolingFire

Bought mini from carvana a january 2020 and have had too many problems. Car overheated on 48, had 2 new cylinders put in, 2 weeks later, due to many notable problems this car has had, all coolant leaked out and was quoted by mini dealership $9,000 to fix a problem that was caused by a recall not listed for my year

Filed Incident Electrical system · Electronic stability control (ESC) · EngineNHTSA 11366813
2015 Mini Cooper ConvertibleTransmission & drivetrainEngine & cooling

12/19/19 I brought my vehicle to have 2 front tires replaced had them mount and balanced and a front alignment done. The dealer also completed multi point vehicle check. I get home. The car sits still saturday. I start it saturday at 1:30pm and get ready to pull out of drive way. Warning light comes on dash stating battery is not charging. Stop carefully. Consult nearest service center. I contacted service advisor. He stated to drive it back and they will give a loaner. I said no! The vehicle isn't drive able and...

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I don't feel safe. He stated they close in 30 minutes. I wanted to speak to upper management. No one was available he stated. I said I would call back monday december23 2019. I spoke to receptionist who makes appointments. She had available spot on thursday december26,2019. I told her I will have it towed that thursday. I get there told them about the message that came on dash. I was going to have to replace battery and needed a brake flush and oh by the way looks like your pulley went out. The vehicle only had 37,502 miles. I have never heard of a pulley being replace at this mileage. I contacted customer relations for bmw mini that friday. They said they will contact in 1 business day. They did say there is an open case. They will contact jan 7. I was in a loaner for 6 days. I spoke to service manager tues 31,2019 which was new year's eve. She stated the dealership will give 20% discount and bmw mini will still contact me if they are going to assist. I mentioned to them about the defected pulleys on 2002 thru 2006 models. They will look into it.

Filed Incident Power train · EngineNHTSA 11297064
2012 Mini Cooper ConvertibleEngine & cooling

My mother who owns this 2012 mini cooper has suddenly now started having issues with her water pump leaking. I took it to the dealership and was treated with this rude employee by christopher guzman whom had a very unprofessional and no empathy. Very short with responses and sarcasm.Keep in mind my mother is elderly and knows nothing about cars. So I log into to your site and see there is a recall on water pumps but my mother's is not one of them. And guess what her warranty just expired march 2019. Go figure. So...

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if something would have happened to my mother because of defective water pump. And how funny how my moms car was not a recall. I would qualify for that action lawsuit. How does a 2012 water pump just give up with very low mileage 24 000 I would like to escalate this further and an explanation how this could have happened!! Look at the milage!

Filed Incident EngineNHTSA 11291281
2011 Mini Cooper ConvertibleEngine & cooling

Exhaust vanos solenoid failure 06/12/2019. This is a common issue to mini's and bmw's that occurs on a regular basis which interrupts the pollution control system. Bmw who manufactures the part has extended the warranty for this part on bmw's to 10 years but has not yet addressed all the issues that mini owners have had with the particular part. There are two in the engine and they are identical (intake/exhaust) cost to replace is over $500. Why does bmw get a replacement and mini owners have to pay. The...

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car goes into a limp mode when failure occurs, so still drivable but at reduced power. This is a common issue and prevalent in both mini forums and bmw forums. The warranty should be extended for mini owners part # 11-36-8-610-388. It is a defective design by the manufacturer.

Filed Incident EngineNHTSA 11234357

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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