Overheating on the 2007 BMW X3 Sav
1 fire 3 injuries 4 of the 6 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.
When overheating gets reported
There are 6 reports of overheating on the 2007 BMW X3 Sav, 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
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| — | — | 107,000 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, 1 a fire and 3 an injury are 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.
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
Tl* the contact owns a 2007 bmw x3. The contact stated that the driver side seat warmer overheated and burned a hole in the seat. The manufacturer and dealer were contacted, but denied any assistance with repairs to the failure. The vehicle was not repaired. The failure mileage was approximately 66,500 and the current mileage was 66,655.
My cars is bought in usa from http://www.selectautoimports.com/ and exported to belarus via lithuania (port of klaipeda). Let me report the following case and ask your assistance. A hole of almost 1 cm was discovered after the driver seat heating had been switched on a bmw x3 e83 2007 (a driver coat was also damaged). The car is no longer covered by warranty. The hole is located in the left waist support cushion. It can be noticed that the heater is glowing, sparkling and overheating in this particular place. As I know, such manufacturing defect is rather a common case and is dealt with by local bmw dealers independently of where the car was purchased. Please help me solving the above issue which is more annoying as we are in the middle of a severe winter and one does not feel like getting burned or set the car on fire. Pictures is here https://picasaweb.google.com/101022534625221094019/x3?authkey=gv1srgclullsubjnl3pg# thank you very much for your attention on this matter please contact with me by e-mail. *tr
The car is equipped with seat heaters. One of the heating elements failed, overheated and burned through the seat surface. In doing research, this appears to be a problem with the vehicles. Bmw did do a recall on the x5, but does not show a recall on the x3. On various sites, this issue has occurred many times with owners, some with the vehicle catching on fire. I found complaints on the following sites; carcomplaints.com, bimmerfest.com and arfc.org. Just on carcomplaints, this complaint is shown 23 times; madbury, nh, portland, or, westfield, in, derwood, md, tampa, fl, annapolis, md, louisville, ky, bergenfield, nj, holderness, nh, liberty township, oh, laurel, md, novi, mi, cromwell, ct, prairie village, ks, hillsborough, nc, daly city, ca, alexandria, va, saginaw, tx, bethesda. Md, pittsburg, pa, selah, wa. Same issue with each. Bmw of north america was contacted and their response was "it's a part of wear and tear....no offer to assist" from bmw na. Yet, the issue has continued to arise and bmw na did replace the heater element and seat surface in some instances, making the replacement a matter of preference or…
Also reported on the 2007 BMW X3 Sav
Other body or interior problem
Other powertrain problem
Airbag inflator rupture
Other electrical problem
Other engine problem
Water pump failure
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 2007 BMW X3 Sav?
Across 5 owner reports that included an odometer reading, half were filed by 105,000 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 2007 BMW X3 Sav?
6 reports have been filed with NHTSA, about 0.2 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