2015 MINI Cooper S: what breaks, and at what mileage
What breaks on the 2015 MINI Cooper S
On the 2015 MINI Cooper S, the failure owners report most often is oil leak, with 3 reports on file. Across every failure mode on this year, half the dated reports were filed before 45,000 miles. Overall it scores 68 out of 100, high risk for a 2015.
High risk for a 2015 — 203rd riskiest of the 273 2015 vehicles we can rate. 20 owner reports; fleet size estimated from this year's own recall paperwork.
What breaks on the 2015 MINI Cooper S
Owners have reported 12 named failure modes on the 2015 MINI Cooper S, and the three most-reported carry 35% of everything filed, which is an unusually even spread for one model year.
Oil leak leads with 3 reports and about 0.5 per 1,000 vehicles.
Fuel tank, filler or EVAP failure follows with 2 reports, median 60,000 miles.
Other engine problem follows with 2 reports, median 30,000 miles. 1 of those report mention a fire.
By system, the reports fall mostly into engine (5), fuel (3) and body (2).
When these failures get reported
13 of the reports on the 2015 MINI Cooper S came with an odometer reading, and half of those were filed before 45,000 miles.
Cumulatively, 69% by 50,000 miles of the dated reports had been filed.
The busiest stretch is between 0 and 10,000 miles, which alone holds 23% of the dated reports.
46% of the dated reports were filed below 36,000 miles, which is early enough that a fair number of these cars were still under a factory warranty when the owner complained.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
How reports accumulate
Every report with an odometer reading, cumulative, from 0 to 200,000 miles. A curve that climbs early is a car with early problems, whatever its total.
- Line share of reports filed by that mileage
- Dashed the median reported mileage
How bad it is when it goes
Across the named modes, 2 a fire. Those are the words owners used in their own complaints, and NHTSA does not verify them, but they are the closest thing in this data to a measure of what a failure actually did.
The average severity weight across every report on this year is 3.30, where a stalled engine or a failed airbag weighs many times more than a rattling trim panel, and a figure this high means the reports are dominated by failures with safety consequences rather than annoyances. The weighting is set out in full on the methodology page.
What the top failures cost to put right, as editorial estimates for an independent US shop rather than figures from NHTSA: oil leak at $250–$2,200, fuel tank, filler or EVAP failure at $250–$1,800, other engine problem at $300–$4,000 and overheating at $400–$3,500. Dealer labour, a seized bolt or a part that is no longer made can push any of these past the top of its range.
35% of the reports on this year sit in the engine, transmission, drivetrain or cooling systems — the four where a repair bill is usually four figures.
Every reported failure mode
| Failure mode | System | Reports | With reading | 25th | Median | 75th | Per 1,000 | Typical repair | Severity |
|---|---|---|---|---|---|---|---|---|---|
| Oil leak | engine | 3 | 3 | — | 43k | — | 0.5 | $250–$2,200 | Moderate |
| Fuel tank, filler or EVAP failure | fuel | 2 | 2 | — | 60k | — | 0.3 | $250–$1,800 | Moderate |
| Other engine problem | engine | 2 | 2 | — | 31k | — | 0.3 | $300–$4,000 | High |
| Overheating | cooling | 1 | 1 | — | 25 | — | 0.2 | $400–$3,500 | High |
| Rust or structural corrosion | body | 1 | 1 | — | 20k | — | 0.2 | $500–$6,000 | High |
| Air conditioning failure | hvac | 1 | 0 | — | — | — | 0.2 | $400–$2,800 | Moderate |
| Tail light, brake light or signal failure | lighting | 1 | 1 | — | 15k | — | 0.2 | $100–$900 | Moderate |
| Other powertrain problem | transmission | 1 | 1 | — | 25k | — | 0.2 | $400–$4,500 | High |
| Other electrical problem | electrical | 1 | 0 | — | — | — | 0.2 | $250–$2,000 | Moderate |
| Other fuel system problem | fuel | 1 | 0 | — | — | — | 0.2 | $300–$2,200 | High |
| Other brake problem | brakes | 1 | 0 | — | — | — | 0.2 | $300–$1,800 | High |
| Other body or interior problem | body | 1 | 0 | — | — | — | 0.2 | $200–$2,000 | Moderate |
| Unclassified problem | other | 4 | 2 | — | 40k | — | 0.7 | — | Moderate |
Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound. Repair costs are typical independent-shop ranges for the failure, not figures from these reports.
How often, against how many were built
Scaled by an estimate of how many of these cars exist, the 2015 MINI Cooper S draws about 3.3 per 1,000 vehicles, which puts it in the 82nd percentile of complaint rates among 2015 vehicles we can rate.
That denominator is the weakest number on the page and it is fair to say so plainly. Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound.
The working figure is 6,091 vehicles. If the true number is twice that, every rate on this page is half what it says; the ranking against other 2015 vehicles, which is what the risk score uses, is far more robust than the rate itself.
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The odometer reading is the one the owner gave.
Other engine problem
When I took my car in for its first service I was told that the entire engine needed to be replaced due to a recall. I have not been able to locate any such recall. I have found this entire experience to be very unusual.
Recalls on the 2015 model year
NHTSA has issued 4 recall campaigns covering the 2015 MINI Cooper S, affecting an estimated 7,189 vehicles. A recall is a different kind of evidence from a complaint: it is the regulator and the manufacturer agreeing that something has to be fixed, and the fix is free for as long as the car exists.
The campaigns cover seats, air bags:frontal:passenger side:inflator module, structure:body and power train:automatic transmission:control module (tcm/pcm/t. Whether the work was actually done on the car in front of you is a question only the VIN can answer, and the manufacturer or NHTSA will answer it free.
Recalls also distort complaint counts. Publicity about a campaign reminds owners that complaining is possible, so reports for a recalled component often spike after the recall rather than before it.
SEATS
38 vehicles 2015-11-09- Defect
- BMW of North America, LLC (BMW) is recalling certain model year 2014-2015 MINI Cooper Hardtop 2 door vehicles manufactured February 25, 2014, to May 16, 2015, 2014-2015 MINI Cooper S Hardtop 2 door vehicles manufactured March 28, 2014, to May 9, 2015, 2015 MINI Cooper Hardtop 4 door vehicles manufactured October 17, 2014, to June 2, 2015, and 2015 MINI Cooper S Hardtop 4 door vehicles manufactured November 24, 2014, to June 11, 2015. During a service appointment, the affected vehicles received replacement front passenger seat cushions (which contain integral Capacitive…
- Consequence
- Inappropriate air bag activation/deactivation can increase the risk of occupant injury in the event of a vehicle crash.
- Remedy
- MINI will notify owners, and dealers will inspect and, if necessary, replace the front passenger seat cushion, free of charge. The recall began on December 28, 2015. Owners may contact MINI customer service at 1-866-825-1525 .
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
6,073 vehicles 2015-10-07- Defect
- BMW of North America, LLC (BMW) is recalling certain model year 2014-2016 MINI Cooper S and MINI Cooper two-door vehicles, 2015-2016 MINI John Cooper Works and MINI Cooper S and MINI Cooper four-door vehicles and 2014-2015 BMW i3 vehicles. Due to a manufacturing error, the passenger frontal air bag may not deploy properly in a low speed crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
- Consequence
- In the event of a vehicle crash, an air bag that does not deploy properly increases the risk of injury to the front seat passenger.
- Remedy
- MINI and BMW will notify owners, and dealers will replace the passenger frontal air bag module, free of charge. The recall began on November 25, 2015. Owners may contact MINI customer service at 1-866-825-1525 and BMW customer service at 1-800-525-7417.
STRUCTURE:BODY
30,456 vehicles 2015-07-17- Defect
- BMW of North America, LLC (BMW) is recalling certain model year 2014-2015 MINI Cooper and MINI Cooper S Hardtop 2 Door vehicles and 2015 MINI John Cooper Works Hardtop 2 Door vehicles. The affected vehicles do not meet the side impact performance requirements for the rear seat passengers. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 214, "Side Impact Protection."
- Consequence
- If the side impact performance requirements are not met, rear seat passengers may be at a higher risk of injury during a crash.
- Remedy
- MINI will notify owners, and dealers will install additional energy absorption material between the rear interior side panels and the exterior vehicle body, free of charge. The recall began on September 4, 2015. Owners may contact MINI customer service at 1-866-825-1525. Note: this recall supersedes 14V-815.
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
1,928 vehicles 2014-12-15- Defect
- BMW of North America, LLC (BMW) is recalling certain model year 2014-2015 MINI Cooper Hardtop 2 Door, and Cooper S Hardtop 2 Door vehicles manufactured January 6, 2014, to October 17, 2014. During service appointments, dealers may have inadvertently reprogrammed the transmission control unit with software that may allow drivers to exit the vehicle when the transmission is not in Park. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 114, "Theft Protection and Rollaway Prevention."
- Consequence
- If the driver exits the vehicle without the transmission being in Park, the vehicle could roll away as the driver and other occupants exit the vehicle or anytime thereafter. A vehicle rollaway increases the risk of injury to exiting occupants and bystanders.
- Remedy
- MINI will notify owners, and dealers will reprogram the transmission control module with the correct software, free of charge. The recall February 4, 2015. Owners can contact MINI customer service at 1-866-825-1525.
Recall work is free at a franchised dealer regardless of the car's age. Check the VIN at nhtsa.gov/recalls before assuming it was done.
How it ranks in the 2015 field
The score at the top of the page, placed among its peers. The zones are the same thresholds the scorer applies, read out of the scorer itself, so the picture and the band word cannot disagree.
Scores are ranked within the model year, never across years, because an older car has had longer to accumulate reports.
- Left fewer and less serious reports
- Right more, or worse
- Marker this vehicle
How 2015 compares with the other years
High risk for a 2015 — 203rd riskiest of the 273 2015 vehicles we can rate. Because the ranking is against the same model year only, age cancels out of it.
Across the 14 model years of this car that carry enough reports to score, 2002 comes out best at 65 and 2007 worst at 78, with 2015 itself at 68.
If the model year is negotiable, 2002 and 2004 score lower than 2015 by a margin worth acting on. Same body, same engines, different luck — usually a supplier change or a mid-cycle fix, which the complaint data can show but never explain.
Within the 2014–2017 generation specifically, 2015 is the strongest year at 68 and 2014 the weakest at 71.
Scores compare each year against other cars of the same model year, so a low number on an older car is a real result and not an artefact of age.
Shorter is better. Years with too few reports to score are shown without a bar rather than as a zero, because no data is not good news.
Within the 2014-2017 generation, 2015 MINI Cooper S scores best at 68 and 2014 MINI Cooper S worst at 71.
The limits of complaint data
20 owner reports; fleet size estimated from this year's own recall paperwork. Every count on this page is therefore a floor: it is the number of owners who went to the trouble of filing with a federal agency, which is a small and self-selected fraction of the owners who had the fault.
Of those 20 reports, 13 carried an odometer reading, so the mileages here describe 65% of the sample rather than all of it. Owners also round: readings pile up on multiples of ten thousand, which is why this site publishes "about 90,000 miles" and not "91,438".
Named failure modes come from matching phrases in the complaint text, so a badly worded complaint can land in the wrong bucket. The effect washes out across hundreds of reports and does not wash out across five.
And nothing here predicts what one car will do. These are other people's complaints, filed years apart, on cars maintained by strangers. Read the page as a map of where this model year has previously gone wrong, then have the specific car in front of you inspected.
Questions this page answers
What are the most common problems with the 2015 MINI Cooper S?
The most-reported failures are oil leak (3 reports, median 45,000 miles), fuel tank, filler or evap failure (2 reports, median 60,000 miles) and other engine problem (2 reports, median 30,000 miles). Counts come from owner complaints filed with NHTSA, which are voluntary, so they show what owners bothered to report rather than every fault that occurred.
Is the 2015 MINI Cooper S reliable?
It scores 68 out of 100 on our risk index, which is high — 203rd riskiest of the 273 2015 vehicles we can rate. The score is a comparison against other 2015 vehicles, not a prediction about any individual car, and it is built from complaint rates, severity and how early failures appear.
Which year of the MINI Cooper S is best?
Within the 2014–2017 generation, 2015 scores best at 68 out of 100 and 2014 worst at 71. Same body, same engines, different luck.
Where this comes from. Every figure above is computed from NHTSA owner complaints and recall records for this exact make, model and year. Complaints are voluntary and self-selected, so treat counts as a floor. The methodology page writes out each formula, and the same numbers are available as JSON.
What breaks at my mileage Compare with another car
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed