Control arm, ball joint or bushing failure on the 2003 BMW M3
Only 7 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 control arm, ball joint or bushing failure gets reported
There are 8 reports of control arm, ball joint or bushing failure on the 2003 BMW M3, 7 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 108,000 miles. It is the 2nd most-reported problem on this model year.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| — | — | 96,861 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–$2,200 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 4 model years of this car. It shows up earliest on the 2003, at a median of 95,000 miles, and latest on the 2001 at 130,000 miles.
By volume the 2003 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.
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.
I currently own a 2003 bmw m3 coupe, manual transmission. The car has never been raced or taken to the track and has seen mostly city driving. All suspension components are stock or oem replacement parts. Upon inspection of the car, a trained technician found hairline fractures starting from the spot welds on the rear suspension subframe mounting points rendering the vehicle stationary until expensive reinforcing plates can be welded into the trunk. If a car company makes street-legal race cars and markets them to the public in that way it seems like a design flaw such as this would be repaired by the company. Again, this car was never raced or tracked and is experiencing the start of a catastrophic structural failure because it was driven on normal roads. *tr
I currently own a 2003 bmw m3 coupe, manual transmission. The car has never been raced or taken to the track and has seen mostly city driving. All suspension components are stock or oem replacement parts. Upon inspection of the car, a trained technician found hairline fractures starting from the spot welds on the rear suspension subframe mounting points rendering the vehicle stationary until expensive reinforcing plates can be welded into the trunk. If a car company makes street-legal race cars and markets them to the public in that way it seems like a design flaw such as this would be repaired by the company. Again, this car was never raced or tracked and is experiencing the start of a catastrophic structural failure because it was driven on normal roads. *tr
Rear subframe structural damage per class action lawsuit bacca v. Bmw of north america, llc, case no. [xxx]. I brought my vehicle for maintenace repairs and inspection at a private repair shop and notified me that there is evidence of rear subframe damage during their inspection. Bmw did not notify me of this very typical issue of their bmw 3 series models 1999-2006. This is not a typical issue in automotive manufacturing and should be continued to be address by bmw north america due to the compromise of safety to the owners and the public of these vehicles. I have attached a pdf of the class action lawsuit letter regarding the structural issues of the automobile. This obviously was not addressed by bmw properly and should be continued to be addressed as the issues are still relevant up to now. This still raises a safety issue since these models are still being sold today. I've also attached a current photo of my vehicle that shows the evidence of structural damage under the rear subframe of the vehicle. I would greatly appreciate you help in getting this issue resolved with bmw of north america as so prevent further damage and…
Also reported on the 2003 BMW M3
Airbag inflator rupture
Other powertrain problem
Other body or interior problem
Engine bay fire
Airbag warning light or occupant sensor fault
Tail light, brake light or signal failure
How far this goes
This page is kept out of search results because 8 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 8 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 control arm, ball joint or bushing failure happen on the 2003 BMW M3?
Across 7 owner reports that included an odometer reading, half were filed by 95,000 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 control arm, ball joint or bushing failure on the 2003 BMW M3?
8 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