AtWhatMileage
Cooling · 6 owner reports

Overheating on the 2005 MINI Cooper

Only 6 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 6
With an odometer reading 6
Reports per 1,000 built 0.6 per 1,000
Filed below 36,000 miles 0%
Mention a crash, fire or injury 0
Typical repair $400–$3,500
What it means when it happens High
Rank among this year's problems 10th

When overheating gets reported

There are 6 reports of overheating on the 2005 MINI Cooper, 6 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 10th most-reported problem on this model year.

The whole distribution

Percentiles of the 6 odometer readings owners gave.
10th25thMedian 75th90th
— — 66,500 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

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 is the worst of them, which makes this a problem of this specific year rather than of the model as a whole.

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 (this one) 67k
  5. 2006 MINI Cooper overheating 62k
  6. 2007 MINI Cooper overheating 33k
  7. 2008 MINI Cooper overheating 68k
  8. 2009 MINI Cooper overheating 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.

Tl*the contact owns a 2005 mini cooper. While driving at approximately 20 MPH, the power steering failed without warning; the steering wheel became extremely difficult to turn. The vehicle was taken to an authorized dealership where the contact was informed that the steering assembly overheated which caused the failure. The vehicle had not been repaired at the time of the complaint. The contact planned to call the manufacturer. The current and failure mileages were approximately 42,000. Updated 11/05/10. *lj updated 12/7/10 *cn

42,000 miles NHTSA complaint 781771 filed 2010-04-16

2005 mini cooper sudden loss of power steering. Due to defect in design power steering cooling fan fails, causing pump to overheat and relay gets fried. Mini refuses to acknowledge problem, and fix. Cost for replacement of pump, fan, labor is $1300-$1400. Vehicle has 59000 miles. Curiously they have redesigned fan with cover to protect it and pump has also been redesigned. Why hasn't there been a recall. *tr

59,000 miles NHTSA complaint 831216 filed 2010-12-16

2005 mini cooper sudden loss of power steering. Due to defect in design power steering cooling fan fails, causing pump to overheat and relay gets fried. Mini refuses to acknowledge problem, and fix. Cost for replacement of pump, fan, labor is $1300-$1400. Vehicle has 59000 miles. Curiously they have redesigned fan with cover to protect it and pump has also been redesigned. Why hasn't there been a recall. *tr

59,000 miles NHTSA complaint 831217 filed 2010-12-16

Also reported on the 2005 MINI Cooper

Other steering problem

123 reports median 75k

Power steering pump or fluid leak

83 reports median 66k

Loss of power steering

53 reports median 77k

Cooling fan failure

16 reports median 86k

Other powertrain problem

14 reports median 56k

How far this goes

This page is kept out of search results because 6 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 6 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 2005 MINI Cooper?

Across 6 owner reports that included an odometer reading, half were filed by 65,000 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 2005 MINI Cooper?

6 reports have been filed with NHTSA, about 0.6 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