AtWhatMileage
Cooling · 5 owner reports

Overheating on the 2009 MINI Cooper

4 fires 4 of the 5 reports for this failure mention a crash, a fire, an injury or a death. Those are the owner's words on the complaint form, not a verified finding, and one report can mention more than one.

Only 5 reports for this mode came with an odometer reading, which is too few for percentiles to mean anything. The page is here because someone linked to it; treat the figures as anecdotes, and see the full report for this year instead.

Reports of this failure 5
With an odometer reading 5
Reports per 1,000 built 1.4 per 1,000
Filed below 36,000 miles 20%
Mention a crash, fire or injury 4
Typical repair $400–$3,500
What it means when it happens High
Rank among this year's problems 6th

When overheating gets reported

There are 5 reports of overheating on the 2009 MINI Cooper, 5 with a mileage attached. That is too few to place the failure on the odometer with any confidence.

A part like this is normally expected to survive 102,000 miles. It is the 6th most-reported problem on this model year.

The whole distribution

Percentiles of the 5 odometer readings owners gave.
10th25thMedian 75th90th
— — 110,000 miles — —

Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.

What a percentile can and cannot tell you here

These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.

What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.

Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.

What happens, and what it costs

Of these reports, 4 a fire is mentioned. Owners write their own complaints and the agency does not verify them, so read this as what the reports say happened rather than as a confirmed count.

Putting it right typically runs $400–$3,500 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.

The same failure on other years

The same failure is reported on 5 model years of this car. It shows up earliest on the 2015, at a median of 50,000 miles, and latest on the 2009 at 110,000 miles.

By volume the 2005 carries the most reports, with 6; the 2009 has 5. A mode that appears across most years of a model is usually a design choice rather than a bad batch.

If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.

Median
  1. 2002 MINI Cooper overheating 65k
  2. 2003 MINI Cooper overheating 69k
  3. 2004 MINI Cooper overheating 85k
  4. 2005 MINI Cooper overheating 67k
  5. 2006 MINI Cooper overheating 62k
  6. 2007 MINI Cooper overheating 33k
  7. 2008 MINI Cooper overheating 68k
  8. 2009 (this one) 110k
  9. 2010 MINI Cooper overheating 51k
  10. 2011 MINI Cooper overheating 95k
  11. 2012 MINI Cooper overheating
    no odometer readings given
    —
  12. 2014 MINI Cooper overheating 25k
  13. 2015 MINI Cooper overheating 50k

Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens

What owners wrote

Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.

Took vehicle in for installation heat shield for turbo feed line. This is a recall and newly installed part to protect the turbo feed line due to overheating. To my surprise they install the heat shield only to tell me that the turbo line is failing and want to charge me $1000.00. The failure of the line is obviously due for the same reason they are installing a heat shield. Thus item should be recalled and replaced. *tr

21,409 miles NHTSA complaint 1045332 filed 2014-03-12

I was driving down hwy 16 (a straight a way 2 lane hwy) towards woodland when the display showed what appeared to be the water icon and I noticed white smoke from under my hood, so I pulled over and sat there thinking maybe my car was overheating. A truck coming behind me went by honking their horn and I looked in review mirror and noticed dark smoke coming from behind my car.. I then proceed to get out of my vehicle and couldnt get the drivers door open a gentleman came up to my vehicle told me to get out but I told him the door wouldnt open, he opened the door and was saying get out and away the cars going to blow up, that was my first acknowledgment that the vehicle was on fire. The police and fire dept was notified and came out to where the vehicle was at and proceed to extinquish the vehicle. I had to get the car towed by triple a off a friends of mines tow package that she has. Im contacting the fire dept and police today on getting some paperwork related to this today so all I have to show is pics.

110,000 miles NHTSA complaint 1448181 filed 2018-02-15

I was driving down hwy 16 (a straight a way 2 lane hwy) towards woodland when the display showed what appeared to be the water icon and I noticed white smoke from under my hood, so I pulled over and sat there thinking maybe my car was overheating. A truck coming behind me went by honking their horn and I looked in review mirror and noticed dark smoke coming from behind my car.. I then proceed to get out of my vehicle and couldnt get the drivers door open a gentleman came up to my vehicle told me to get out but I told him the door wouldnt open, he opened the door and was saying get out and away the cars going to blow up, that was my first acknowledgment that the vehicle was on fire. The police and fire dept was notified and came out to where the vehicle was at and proceed to extinquish the vehicle. I had to get the car towed by triple a off a friends of mines tow package that she has. Im contacting the fire dept and police today on getting some paperwork related to this today so all I have to show is pics.

110,000 miles NHTSA complaint 1448182 filed 2018-02-15

Also reported on the 2009 MINI Cooper

Other electrical problem

17 reports median 34k

Other engine problem

15 reports median 66k

Seat belt or retractor failure

13 reports median 71k

Head gasket failure

4 reports median 43k

How far this goes

This page is kept out of search results because 5 reports is not enough to publish percentiles from. It stays reachable because somebody looking at this exact car would rather see the reports than be told there are none.

Complaints are voluntary, so 5 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.

Questions this page answers

At what mileage does overheating happen on the 2009 MINI Cooper?

Across 5 owner reports that included an odometer reading, half were filed by 110,000 miles. A quarter were filed before — and a quarter after —. These are the mileages owners reported when they complained, not a prediction for any individual car.

How common is overheating on the 2009 MINI Cooper?

5 reports have been filed with NHTSA, about 1.4 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.

What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars

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