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Fuel system

2015 Mini Cooper Fuel System problems

Owners have filed 11 complaints about the 2015 Mini Cooper's fuel system with NHTSA - 20% of all its complaints, most recently on February 23, 2025. Fuel pumps, leaks, injectors, fuel smells, gauges and stalling caused by fuel delivery.

Complaints
11
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Fuel System complaints

Engine & 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
Fuel system

The fuel filling nozzle turns off repeatedly while trying to fill the fuel tank and spills out causing a safety and environmental hazard, regardless of the pump being used. As a result, no fuel goes into the gas tank, instead it goes all over the car and the ground.

Filed Incident Fuel / propulsion systemNHTSA 11552838
Fuel system

Fuel tank causes gas pump to click off after dispensing a tenth gallon of gasoline. Gas spills from gas tank while removing pump creating a safety and environmental hazard. Fuel tank will not accept gas at pump. No warning lamps, messages, or symptoms were present prior to the failure. Mini Cooper dealership stated that service valve in tank has failed and entire fuel tank must be replaced.

Filed Incident Fuel / propulsion systemNHTSA 11546035
Fuel system

When refueling, fuel is rejected after dispensing about 1/8 US gallons, about 4 oz. Of course, fuel spills are a hazard - both in possibly of fire, and to the environment - by contaminating ground water. Dealer said that there are several solenoid operated valves and replaced fuel tank and fill pipe, a cost to me of $2400.00. There are many reports of this on social media, one person suggested holding the fuel nozzle upside down which made a larger spill.

Filed Incident Fuel / propulsion systemNHTSA 11487713
Transmission & drivetrainFuel system

When refueling, nozzle kept shutting off, a gallon was pumped after nine attempts, also fuel erupted as the fill tube was filled with gas. reluctant to drive this car not knowing how much gas is in the tank. The needle shows less than 1/4 and miles remaining fluctuates between 80 and 110 miles. We are told that this problem exists in many mini automobiles, dealer has replacement gas tanks, but same problem exists Parking our Mini, indication of "roll back" is possible when car is parked. Shifter unit was replaced due to torsion spring.

Filed Incident Power train · Fuel / propulsion systemNHTSA 11485453
Fuel system

The fuel filling nozzle turns off repeatedly while filling the fuel tank, regardless of position of nozzle, pressure used, station used. In an attempt to remedy, Mini Service Technicians replaced tank vent valve but it did not correct the issue. I am unable to fill my gas tank.

Filed Incident Fuel / propulsion systemNHTSA 11453987
Fuel system

I can not put gas into my car. I have had the charcoal canister replaced. I am now being told that I need a new fuel tank. I've also been informed that this is a reoccurring problem in 2015 mini coopers.

Filed Incident Fuel / propulsion systemNHTSA 11453476
Fuel system

Fuel tank shuts off the gas pump no matter how much gas is in the tank. Faulty fuel tank vent (purge) value is causing the issue. This is a known issue on Mini's. A voluntary recall has been issued for 2016 Mini's, but this problem is also happening on 2015 Mini's. Dealership as well as another auto service store has replicated the issue. Check engine light is lit up as well.

Filed Incident Fuel / propulsion systemNHTSA 11450980
Fuel system

Unable to fill gas as pump repeatedly shuts-off while trying to fill and would even over flow out of the filler neck. Tried 2 different pumps at local QT without luck.. Drove up to local Phillips 66 with exact same issue. Found several other owner with similar issue and found the following Service Bulletin posted on "NHTSA": https://static.nhtsa.gov/odi/tsbs/2015/MC-10147283-9999.pdf My vehicle build date is not covered under this Service Bulletin, however, suffering exact same issue.

Filed Incident Fuel / propulsion systemNHTSA 11443888
Fuel system

Fuel tank did not allow me to input fuel. Pump clicked off immediately. MINI issued a service bulletin on the problem in 2015. I have been advised the entire fuel tank must be replaced, and have heard from other MINI owners this is a systemic problem. If I had been traveling and this problem had surfaced I would have been stranded. The repairs warrant warranty coverage on the part of MINI. See service bulletin SI M16 01 15. https://static.nhtsa.gov/odi/tsbs/2015/MC-10147283-9999.pdf

Filed Incident Fuel / propulsion systemNHTSA 11424939
Engine & coolingFuel system

Excessive carbon build up on engine intake ports at 35k miles. Car purchased new, has oil changes by dealer every 5k miles, and is filled with 92 octane gas. Lots of people posted on internet over last 7-8 years that minis are prone to this issue and bmw hasn't resolved it. When asked if this should be routine maintenance, if this was driving or fuel issues, dealer said none of the above. Yet resolving this issue is about a $600-1000k repair! This either needs to be a routine maintenance, recall or service bulletin put out to owners/dealers. Bmw needs to own up to this issue.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11055020

Mini Cooper fuel system complaints by year

Cooper fuel system problems, every year

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

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