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Fuel systemPart report

2015 MINI Cooper S Fuel system Problems

Complaints
3about this part
Share
17%of 18 total for the year
Median mileage
60,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the fuel system of the 2015 MINI Cooper S, 17% of the 18 complaints for this model year. Where a mileage was given, the median is 60,000 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.

“Fuel filling nozzle shuts off repeatedly while refueling. Upon gassing up, valve clicks immediately and pump shuts off like it's full no matter which gas station or pressure I exert. I saw a bulletin si m16 01 15 which affected minis produced in 2014 but did not include my 2015 Cooper S. A comment from the bulletin had a temporary solution which is to angle the pump to 45, then pump slowly at the magic speed, though this can take anywhere from 10 to 30 minutes. …”

NHTSA complaint #11349356, filed 2020-08, 53,000 miles

“The contact owns a 2015 Mini Cooper S. The contact stated that the vehicle previously had the fuel carbon filter replaced; however, the failure recurred while attempting to refuel the vehicle. The fuel tank dispersed the gasoline outward, spilling on the vehicle. The vehicle was taken to an independent mechanic who diagnosed that the fuel tank needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA. The failure mileage was approximately 67,000.”

NHTSA complaint #11477351, filed 2022-08, 67,000 miles

“The fuel filling nozzle turns off repeatedly (as if already full) while filling the fuel tank. About 1/4 to 1/3 of a gallon of fuel will go in before it turns off, backs up, and the gas overflows onto the outside of the car and onto the concrete. It happens regardless of the pump being used. It started happening occasionally a few months ago if the tank was refilled when a quarter full. It now happens consistently, no matter the fuel level. I had the car put on a lift and the system diagnosed today. The mechanic said the cause is a faulty service valve within the fuel tank assembly. …”

NHTSA complaint #11692422, filed 2025-10

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2015317%
201418%
201314%
2012417%
201126%
2010610%
200965%
200853%
2007156%
200674%
200510%
200421%
200321%

Other parts of the 2015 MINI Cooper S

Engine
3 complaints
Exterior lighting
3 complaints
Other or unknown
3 complaints
Air bags
2 complaints
Electrical system
2 complaints
Body and structure
2 complaints
Brakes
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2015 MINI Cooper S

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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