Parking brake failure on the 2006 BMW X5
Only 2 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 parking brake failure gets reported
There are 2 reports of parking brake failure on the 2006 BMW X5, 2 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 23rd most-reported problem on this model year.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| — | — | 105,000 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
Putting it right typically runs $250–$1,300 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 6 model years of this car. It shows up earliest on the 2022, at a median of 1,000 miles, and latest on the 2010 at 110,000 miles.
By volume the 2008 carries the most reports, with 9; the 2006 has 0. 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 is about a leased 2006 bmw x5. I was parking the car, & had applied the footbrake when the car began to accelerate. I floored the brake pedal again, but the car did not stop, so I applied the handbrake & still it did not stop. It crashed through some bushes, over a concrete sidewalk & into the street which luckily had no traffic. I was able to slam the gearshift into reverse & turned off the ignition to stop the car while at a right angle to the lane markers in the road. Very lucky that there was no oncoming traffic at that hour. I restarted the car, put it into reverse gear & backed over the same path & into the parking lot & pulled the handbrake & turned off the ignition. I called braman bmw of w. Palm beach to tow the car away since I was unwilling to drive it anymore. Their head mechanic,prior to inspecting the car, during a 3-way phone call with me & joe of braman bmw in w. Palm beach, stated that he concluded (before he ever looked at the car) that I was at fault & that I must have mistakenly pushed the accelerator pedal instead of the brake pedal. They called me on monday, december 29, said they test drove it & found…
I drive a 2006 bmw x5. This morning while completely stopped in the drive thru of the bank at the window, reaching into the open drawer for a deposit slip, my bmw accelerated wide open on its own. I distinctly looked down and my foot was on the brake. The car was moving extremely fast and the engine was revving as if the gas was pressed even though my foot was on the brake. The drive thru opened up into a long parking lot. I was able to pull up the parking brake to stop the car. It was so scary and I was at the point to make a decision to get into traffic, if I could make the turn or to hit a retirement building. Once the car stopped, I put it in park and turned it off. I checked to ensure there was not anything on the gas pedal and there was not. This is a major issue and I am so thankful to god, he allowed me to stop this car. This has to be some type of defect. *tr
Also reported on the 2006 BMW X5
Airbag warning light or occupant sensor fault
Other body or interior problem
Seat belt or retractor failure
Other electrical problem
Other brake problem
Loss of braking
How far this goes
This page is kept out of search results because 2 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 2 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 parking brake failure happen on the 2006 BMW X5?
Across 2 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 parking brake failure on the 2006 BMW X5?
2 reports have been filed with NHTSA, about 0.7 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