Model year report

2003 BMW 325CI: what breaks, and at what mileage

What breaks on the 2003 BMW 325CI

On the 2003 BMW 325CI, the failure owners report most often is other electrical problem, with 5 reports on file. Across every failure mode on this year, half the dated reports were filed before 80,000 miles. Overall it scores 62 out of 100, high risk for a 2003.

High risk for a 2003 — 291st riskiest of the 330 2003 vehicles we can rate. 35 owner reports; fleet size estimated from this year's own recall paperwork.

What breaks on the 2003 BMW 325CI

Owners have reported 16 named failure modes on the 2003 BMW 325CI, and the three most-reported carry 34% of everything filed, which is an unusually even spread for one model year.

Other electrical problem leads with 5 reports and about 0.5 per 1,000 vehicles.

Airbag inflator rupture follows with 4 reports.

Control module (ECM/PCM/BCM) failure follows with 3 reports, median 10,000 miles.

By system, the reports fall mostly into electrical (10), airbag (4) and engine (4).

At what mileage it happens

23 of the reports on the 2003 BMW 325CI came with an odometer reading, and half of those were filed before 80,000 miles.

Cumulatively, 30% by 50,000 miles, 70% by 100,000 miles and 87% by 150,000 miles of the dated reports had been filed.

The busiest stretch is between 90,000 and 100,000 miles, which alone holds 17% of the dated reports.

26% of the dated reports were filed below 36,000 miles.

Median

Other electrical problem

90k
Airbag inflator rupture
no odometer readings given
—
Control module (ECM/PCM/BCM) failure

12k
Other engine problem

101k
Ignition switch, key fob or immobilizer failure

126k
Other body or interior problem

118k
Stalling while driving
no odometer readings given
—
Strut, shock or spring failure

59k
Control arm, ball joint or bushing failure

36k
Headlight failure or clouding

65k
Tail light, brake light or signal failure

120k
Other fuel system problem

111k

Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens

Showing the 12 most-reported failure modes of 16. The full list is in the table below.

How reports accumulate

Share of reports filed by each mileage

half by 80k

Every report with an odometer reading, cumulative, from 0 to 200,000 miles. A curve that climbs early is a car with early problems, whatever its total.

Line share of reports filed by that mileage
Dashed the median reported mileage

How bad it is when it goes

Across the named modes, 1 a fire. Those are the words owners used in their own complaints, and NHTSA does not verify them, but they are the closest thing in this data to a measure of what a failure actually did.

The average severity weight across every report on this year is 3.66, where a stalled engine or a failed airbag weighs many times more than a rattling trim panel, and a figure this high means the reports are dominated by failures with safety consequences rather than annoyances. The weighting is set out in full on the methodology page.

What the top failures cost to put right, as editorial estimates for an independent US shop rather than figures from NHTSA: other electrical problem at $250–$2,000, airbag inflator rupture at $0–$0, control module (ECM/PCM/BCM) failure at $700–$3,000 and other engine problem at $300–$4,000. Dealer labour, a seized bolt or a part that is no longer made can push any of these past the top of its range.

11% of the reports on this year sit in the engine, transmission, drivetrain or cooling systems — the four where a repair bill is usually four figures.

Every reported failure mode

Mileage figures are percentiles of owner-reported readings. Click a column to sort.
Failure mode	System	Reports	With reading	25th	Median	75th	Per 1,000	Typical repair	Severity
Other electrical problem	electrical	5	5	—	90k	—	0.5	$250–$2,000	Moderate
Airbag inflator rupture	airbag	4	0	—	—	—	0.4	$0–$0	Critical
Control module (ECM/PCM/BCM) failure	electrical	3	3	—	12k	—	0.3	$700–$3,000	High
Other engine problem	engine	3	2	—	101k	—	0.3	$300–$4,000	High
Ignition switch, key fob or immobilizer failure	electrical	2	2	—	126k	—	0.2	$250–$1,500	High
Other body or interior problem	body	2	2	—	118k	—	0.2	$200–$2,000	Moderate
Stalling while driving	engine	1	0	—	—	—	0.1	$300–$2,500	Critical
Strut, shock or spring failure	suspension	1	1	—	59k	—	0.1	$500–$2,000	Moderate
Control arm, ball joint or bushing failure	suspension	1	1	—	36k	—	0.1	$400–$2,200	High
Headlight failure or clouding	lighting	1	1	—	65k	—	0.1	$150–$1,800	Moderate
Tail light, brake light or signal failure	lighting	1	1	—	120k	—	0.1	$100–$900	Moderate
Other fuel system problem	fuel	1	1	—	111k	—	0.1	$300–$2,200	High
Other steering problem	steering	1	1	—	90k	—	0.1	$350–$2,400	High
Other suspension problem	suspension	1	0	—	—	—	0.1	$350–$2,000	Moderate
Other speed control problem	adas	1	1	—	90k	—	0.1	$250–$2,000	Critical
Other visibility problem	glass	1	1	—	1k	—	0.1	$150–$1,400	Moderate
Unclassified problem	other	6	1	—	28k	—	0.6	—	Moderate

Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound. Repair costs are typical independent-shop ranges for the failure, not figures from these reports.

How often, against how many were built

Scaled by an estimate of how many of these cars exist, the 2003 BMW 325CI draws about 3.3 per 1,000 vehicles, which puts it in the 77th percentile of complaint rates among 2003 vehicles we can rate.

That denominator is the weakest number on the page and it is fair to say so plainly. Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound.

The working figure is 10,480 vehicles. If the true number is twice that, every rate on this page is half what it says; the ranking against other 2003 vehicles, which is what the risk score uses, is far more robust than the rate itself.

What owners wrote

Verbatim from NHTSA complaint narratives, trimmed for length. The odometer reading is the one the owner gave.

Control module (ECM/PCM/BCM) failure

There is a problem with the electronic throttle/engine management control module. Whenever accelerating from a stop, the car lunges forward, then stops and goes into a cycle where it does this "bucking" action a few times. The car is 2 years old, but has only done this for the past year. I've attempted to have this repaired by bmw- have been working with them for the last eight (8) months with no result. My family refuses to ride in the car because the jerking motion makes them sick. A bmw field representative knows about the problem but refused to diagnose or repair the problem. I hired an independent mechanic that was able to trace the problem to the electronic throttle control, but does not possess the bmw software or equipment to repair it. Now it has become more and more dangerous to drive because the problem is getting progressively worse. It's is difficult to make left turns at intersections since the car jerks forward and stops. A few times I was almost hit by oncoming traffic due to this.

12,000 miles NHTSA complaint 532457 filed 2005-04-28

There is a problem with the electronic throttle/engine management control module. Whenever accelerating from a stop, the car lunges forward, then stops and goes into a cycle where it does this "bucking" action a few times. The car is 2 years old, but has only done this for the past year. I've attempted to have this repaired by bmw- have been working with them for the last eight (8) months with no result. My family refuses to ride in the car because the jerking motion makes them sick. A bmw field representative knows about the problem but refused to diagnose or repair the problem. I hired an independent mechanic that was able to trace the problem to the electronic throttle control, but does not possess the bmw software or equipment to repair it. Now it has become more and more dangerous to drive because the problem is getting progressively worse. It's is difficult to make left turns at intersections since the car jerks forward and stops. A few times I was almost hit by oncoming traffic due to this.

12,000 miles NHTSA complaint 532458 filed 2005-04-28

Recalls on the 2003 model year

NHTSA has issued 6 recall campaigns covering the 2003 BMW 325CI, affecting an estimated 19,880 vehicles. A recall is a different kind of evidence from a complaint: it is the regulator and the manufacturer agreeing that something has to be fixed, and the fix is free for as long as the car exists.

The campaigns cover air bags:frontal:passenger side:inflator module, air bags:frontal:driver side:inflator module, air bags and service brakes, hydraulic:foundation components:master cylin. Whether the work was actually done on the car in front of you is a question only the VIN can answer, and the manufacturer or NHTSA will answer it free.

Recalls also distort complaint counts. Publicity about a campaign reminds owners that complaining is possible, so reports for a recalled component often spike after the recall rather than before it.

20V018000

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

292,948 vehicles 2020-01-15

Defect: BMW of North America, LLC (BMW) is recalling certain 2000-2005 323iT, 325iT, 325xiT, 320i, 323i, 325i, 325xi, 328i, 330i and 330xi and 2000-2006 323Ci, 325Ci, 328Ci, 330Ci, M3 Coupe, 323Cic, 325Cic, 330Cic, and M3 Convertible vehicles equipped with non-desiccated frontal Takata PSAN inflators and PSPI passenger frontal air bag inflators containing phase stabilized ammonium nitrate (PSAN) propellant that were used as interim remedy parts for previous Takata recalls. These inflators may explode due to propellant degradation occurring after long-term exposure to high…
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: BMW will notify owners, and dealers will replace the passenger's front air bag, free of charge. The recall began February 13, 2020. Owners may contact BMW customer service at 1-800-525-7417.

15V318000

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

419,235 vehicles 2015-05-28

Defect: BMW of North America, LLC (BMW) is recalling certain model year 2002-2005 325i, 325xi, 330i, and 330xi Sedans, and 325xi and 325i Sportswagons, 2002-2006 330Ci, 325Ci, and M3 Convertibles and 325i, 330i, and M3 Coupes, 2002-2003 M5, 540i, 525i Sedan, and 530i Sedans, and 540i and 525i Sportswagons, and 2003 X5 3.0i and 4.4i Sports Activity Vehicles. Please note that the 5-series and X5 vehicles are only included if they are equipped with the optional sports steering wheel. The affected vehicles are equipped with a dual-stage driver frontal air bag that may be susceptible…
Consequence: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicles until the vehicle has been remedied. BMW will notify owners, and dealers will replace the front driver air bag module, free of charge. The recall began Aug 2016. Owners may contact BMW customer service at 1-800-525-7417. Note: This recall supersedes recall 14V-348 in its entirety. Additionally, vehicles that have had their driver side frontal air bag replaced previously as part of a recall remedy need to have their air bag replaced under this recall as well. Note: On December 17, 2015 BMW removed the model year 2004 X5 3.0i…

13V172000

AIR BAGS

43,204 vehicles 2013-05-02

Defect: BMW is recalling certain model year 2002-2003 325i, 325xi, 330i, 330xi sedans; 325Ci and 330Ci coupes and convertibles; 325iT and 325xiT Sports Wagons; and M3 coupes and convertibles to address a safety defect in the passenger side frontal air bag which may produce excessive internal pressure causing the inflator to rupture upon deployment of the air bag.
Consequence: In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator could rupture with metal fragments striking and potentially seriously injuring the passenger seat occupant or other occupants.
Remedy: Owners are advised not to drive their vehicles until they have been repaired. BMW intends to issue initial notifications to owners informing them of the safety defect in June 2013. Once replacement parts are available, estimated for July, BMW will notify owners again to contact their dealers and schedule a replacement of the passenger air bag, free of charge. Owners may contact BMW customer service at 1-800-525-7417 or email BMW at CustomerRelations@bmwusa.com.

07E023000

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

13,128 vehicles 2007-03-29

Defect: Certain cardone master cylinders with part numbers 10-2925, 10-2987, 10-2987mza, 10-3083, 11-3015, 11-3042, 11-3044, 11-3045, 11-3047, 11-3064, and 11-3156, and with date codes lower than dca7078 sold as replacement equipment for use on the vehicles listed above. The seal on master cylinder can fail and leak brake fluid.
Consequence: Loss of brake fluid can result in poor braking performance, possibly resulting in a vehicle crash.
Remedy: Cardone will notify owners and offer to repurchase any defective master cylinders. The recall began during april 2007. Owners can contact cardone at 1-800-777-4780.

03V160000

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

13,100 vehicles 2003-04-29

Defect: On certain passenger vehicles, the window lifting anti-pinching device might not function properly.
Consequence: Occupants could be pinched by a window that is being closed.
Remedy: Dealers will inspect, and if necessary, replace the electronic control unit for the window lifting anti-pinching device. Owner notification began may 27, 2003. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact bmw at 1-800-831-1117.

03V124000

VEHICLE SPEED CONTROL

1,056 vehicles 2003-03-31

Defect: On certain passenger and sport wagon vehicles with automatic transmissions, with the engine running, and the vehicle at rest, an increase of engine idle speed (up to 1,300 RPM) may occur.
Consequence: If a gear is selected, the driver may feel as if the vehicle is being pushed.
Remedy: Dealers will reprogram the digital engine management control unit. Owner notification began may 5, 2003. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact bmw at 1-800-831-1117.

Recall work is free at a franchised dealer regardless of the car's age. Check the VIN at nhtsa.gov/recalls before assuming it was done.

How it ranks in the 2003 field

The score at the top of the page, placed among its peers. The zones are the same thresholds the scorer applies, read out of the scorer itself, so the picture and the band word cannot disagree.

Risk score against the rest of the 2003 field

Scores are ranked within the model year, never across years, because an older car has had longer to accumulate reports.

Left fewer and less serious reports
Right more, or worse
Marker this vehicle

Better and worse years of the same car

High risk for a 2003 — 291st riskiest of the 330 2003 vehicles we can rate. Because the ranking is against the same model year only, age cancels out of it.

Across the 6 model years of this car that carry enough reports to score, 2002 comes out best at 56 and 2001 worst at 70, with 2003 itself at 62.

If the model year is negotiable, 2002 scores lower than 2003 by a margin worth acting on. Same body, same engines, different luck — usually a supplier change or a mid-cycle fix, which the complaint data can show but never explain.

Within the 2000–2006 generation specifically, 2002 is the strongest year at 56 and 2001 the weakest at 70.

Scores compare each year against other cars of the same model year, so a low number on an older car is a real result and not an artefact of age.

Risk score by model year, out of 100

Shorter is better. Years with too few reports to score are shown without a bar rather than as a zero, because no data is not good news.

Within the 2000-2006 generation, 2002 BMW 325CI scores best at 56 and 2001 BMW 325CI worst at 70.

Where these figures stop being useful

35 owner reports; fleet size estimated from this year's own recall paperwork. Every count on this page is therefore a floor: it is the number of owners who went to the trouble of filing with a federal agency, which is a small and self-selected fraction of the owners who had the fault.

Of those 35 reports, 23 carried an odometer reading, so the mileages here describe 66% of the sample rather than all of it. Owners also round: readings pile up on multiples of ten thousand, which is why this site publishes "about 90,000 miles" and not "91,438".

Named failure modes come from matching phrases in the complaint text, so a badly worded complaint can land in the wrong bucket. The effect washes out across hundreds of reports and does not wash out across five.

And nothing here predicts what one car will do. These are other people's complaints, filed years apart, on cars maintained by strangers. Read the page as a map of where this model year has previously gone wrong, then have the specific car in front of you inspected.

Questions this page answers

What are the most common problems with the 2003 BMW 325CI?

The most-reported failures are other electrical problem (5 reports, median 90,000 miles), airbag inflator rupture (4 reports) and control module (ecm/pcm/bcm) failure (3 reports, median 10,000 miles). Counts come from owner complaints filed with NHTSA, which are voluntary, so they show what owners bothered to report rather than every fault that occurred.

Is the 2003 BMW 325CI reliable?

It scores 62 out of 100 on our risk index, which is high — 291st riskiest of the 330 2003 vehicles we can rate. The score is a comparison against other 2003 vehicles, not a prediction about any individual car, and it is built from complaint rates, severity and how early failures appear.

Which year of the BMW 325CI is best?

Within the 2000–2006 generation, 2002 scores best at 56 out of 100 and 2001 worst at 70. Same body, same engines, different luck.

Where this comes from. Every figure above is computed from NHTSA owner complaints and recall records for this exact make, model and year. Complaints are voluntary and self-selected, so treat counts as a floor. The methodology page writes out each formula, and the same numbers are available as JSON.

What breaks at my mileage Compare with another car

Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt 20 August 2026 Published by AtWhatMileage How every figure is computed