Fault File
All models / All cars / Family & large SUVs / BMW iX3

BMW iX3

All generations and engines together · 4,374 MOT tests in the 2025 data

How this model wears

BMW iX3Class average, all tracked models

Known issues

Measured

Computed from DVSA MOT results, all of Great Britain, 2025. Nothing here is opinion.

What testers flag

Share of tests where each item was recorded. The dark tick is the class average across all tracked models; bars are scaled within each group.

Faults with the car itself

The rows that judge the model rather than its keeper. 4,374 tests in this band.

A shock absorber damaged to the extent that it does not function or showing signs of severe leakage
Advisory
2.0%class 2.1%
A direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
Fail
0.8%class 0.1%
A shock absorber damaged to the extent that it does not function or showing signs of severe leakage
Fail
0.4%class 0.2%
Excessive fluctuation in brake effort through each wheel revolution.
Advisory
0.3%class 0.3%
A lamp with a multiple light source up to 1/2 not functioning
Minor
0.3%class 0.0%
A suspension pin, bush or joint excessively worn
Advisory
0.3%class 2.4%
A suspension component excessively damaged or corroded
Advisory
0.3%class 0.0%
A wheel badly distorted or wear between wheel and hub at spigot mounting
Advisory
0.2%class 0.4%

Wear, upkeep and luck

Tyres, pads and stone chips say more about how the car was driven and maintained than about how it was built.

Tyre tread depth not in accordance with the requirements
Advisory
28.0%class 18.8%
A tyre seriously damaged
Advisory
8.8%class 13.1%
A tyre seriously damaged
Fail
5.7%class 2.3%
Wiper blade missing or obviously not clearing the windscreen
Fail
3.5%class 1.7%
Child Seat fitted not allowing full inspection of adult belt
Advisory
3.3%class 2.1%
Nail in tyre
Advisory
3.0%class 1.7%
A tyre cords visible or damaged
Fail
2.0%class 1.3%
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
Minor
2.0%class 1.4%

Unconfirmed issues

Reported

Owner folklore from forums and the motoring press. Most of it never shows up in an MOT, which is why this section exists at all.

Firm, fidgety ride on the adaptive suspension

Disputed

The iX3's adaptive suspension is tuned on the firm side, and in Sport mode reviewers and Honest John both describe it as bouncing over anything but smooth tarmac; Comfort mode calms it down but it's still firmer than most family SUVs. Whether that's a flaw or just BMW's sporty set-up is genuinely disputed, some buyers choose the iX3 for exactly that tauter feel. There's no wear pattern or repair bill attached, it's a ride-character issue to check on a test drive rather than something that gets worse with age.

Reported across ages and trims · sources: Honest John carbycar, DrivingElectric

Single motor, rear-wheel drive only: traction in snow and on hills

Disputed

Every UK iX3 (2020-2024) has one motor driving the rear wheels, there's no xDrive option, which is unusual next to all-wheel-drive electric SUV rivals like the Mercedes EQC. Owners asking around on this exact point get split answers: some report no issues at all on decent winter tyres, others say they'd rather have had four-wheel drive for a hilly or icy daily commute. It's a design choice, not a fault, but worth weighing up if you live somewhere exposed.

Applies to all UK iX3 (2020-2024) · sources: Honest John carbycar (good and bad), Honest John owners' forum

Lights and electrics glitches

Partly in the MOT data

Owner reports of iX3-specific electrical faults are thin on the ground, it's a lower-volume model with far less forum chatter than the combustion X3 it's built alongside, but the two share much of their body wiring and control units. The measured MOT data for large SUVs in this class flags lights and electrics as the standout fault category, and the combustion X3's well-documented gremlins (window regulators, DRL modules, infotainment reboots) run through that same shared architecture. Read it as a segment-level watch-point rather than a confirmed iX3 pattern: there just isn't enough iX3-specific owner data yet to say more.

Segment signature fault; iX3-specific owner reports scarce · sources: measured MOT fault-rate data, Honest John carbycar (BMW X3 F25, shared electrical architecture)

Fiddly steering wheel controls and so-so cabin materials

Disputed

Reviewers have flagged the iX3's steering wheel button layout as fiddly to use on the move, and pointed to some interior materials feeling less plush than the price tag suggests. It's not a mechanical fault and won't leave you stranded, but it's the kind of niggle that drags down owner satisfaction scores over time. Only one source was found raising this specifically, so treat it as a minor buying consideration rather than an established pattern.

Single source found, treat as a minor niggle · sources: Carwow

Viewing one? Ask this

Built from the two sections above.

Drive it in both Sport and Comfort mode over rough, patchy tarmac, not just a smooth test route. Excessive bouncing in Sport mode is the harsh-ride niggle owners and reviewers describe.
If you live somewhere hilly or icy in winter, ask about tyre spec and try the car in the wet. Every iX3 is rear-wheel drive only, so traction leans more on tyre choice than on an all-wheel-drive rival.
Test every window switch, interior light and the iDrive screen for slow response or unprompted reboots. Lights and electrics is the measured weak spot for this class, and the iX3 shares wiring and control units with the combustion X3, where these faults are well documented.
Check the MOT history for a repeated advisory on the same electrical item rather than a one-off. A recurring advisory points to an unresolved fault, not a random glitch.
Spend a few minutes with the steering wheel controls and dig into a few infotainment menus. A fiddly layout and inconsistent trim quality are the niggles reviewers flag, minor but worth knowing before you buy.
Ask for the car's charging history, or check the range readout against the original official figure for its age. A big shortfall for the mileage points to battery degradation, an expensive item to put right once the warranty's gone.
Check the service history for BMW software or service campaigns on the EV systems. BMW pushes updates for EV-specific electronics; a car that's missed several is more likely to show odd behaviour.

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