Other brake problem on the 2015 BMW X3
2 crashes 2 of the 7 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 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.
When other brake problem gets reported
There are 7 reports of other brake problem on the 2015 BMW X3, 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 88,000 miles. It is the 7th most-reported problem on this model year.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| — | — | 28,000 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, 2 a crash 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 $300–$1,800 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 12 model years of this car. It shows up earliest on the 2019, at a median of 5,000 miles, and latest on the 2020 at 175,000 miles.
By volume the 2013 carries the most reports, with 16; the 2015 has 7. 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.
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.
This system has not provided a warning or braking function since I purchased the vehicle on 14 oct 2014. I had it in the bmw ocala service shop for 13 days and they tell me that it is working as designed. I drive in heavy traffic on a daily basis and have yet to receive a warning indication of any type. No one at the dealer level or bmw usa will tell me how the system works except there is no way for me to test it. Dealer states that "system will not activate when coming up on slow or stop vehicle from a higher rate of speed or when approaching another vehicle intentionally." what makes the system present a warning if that statement is true? I cannot get satisfaction from the dealer or bmw usa and am at a loss to find out if the system is truly working. *tr
I was turning off a residential street into the parking lot of our neighborhood swimming pool. The parking spot was straight ahead (a very short distance). I was traveling at a very slow speed. I couldn't stop the car no matter how hard I stepped on the brake. I hit a brick wall which stopped the car. It all happened so quickly in such a short distance. I was in shock and amazed at the amount of damage to the car and the brick wall. I believe the car suddenly accelerated as I was pulling into the parking spot. I have notified my insurance company that there are other instances of this reported on the NHTSA site involving the same make and model as my car. *tr updated 09/10/15*lj
It was in the morning and I was driving out of my townhouse neighborhood. I wasn't driving fast maybe 10-15 when I approached the the stop sign. I started to slow down but my car wasn't slowing down so I pressed the brakes as hard as I could. The car revved up and accelerated with force out into the cross street. Thankfully there wasn't a car coming or I would of been in an accident. I continued to drive a few miles very slowly. I was all shook up and confused as to what just happened.I called bmw to tell them and make a appointment to bring the car in. I stopped in a parking lot and parked wasn't thinking I parked across from a car. I decided to try just pressing on the brakes in the parking spot. I put the car in drive with my foot on the brakes and started to press harder the car revved up high as if I was pressing the accelerator in park.. But I wasn't it was in drive and I was only pressing the brakes. Then suddenly it started jerking forward. I almost hit the car in front of me I had to put it in park to stop it. I moved to a different parking spot there was a huge mound of snow my bumper was right up close to it. I tried it…
Also reported on the 2015 BMW X3
Other engine problem
Other electrical problem
Other fuel system problem
Water pump failure
DPF, EGR or DEF system failure
Other powertrain problem
How far this goes
This page is kept out of search results because 7 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 7 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 other brake problem happen on the 2015 BMW X3?
Across 6 owner reports that included an odometer reading, half were filed by 30,000 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 other brake problem on the 2015 BMW X3?
7 reports have been filed with NHTSA, about 0.4 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