BMW iX3
The BMW iX3 MOT pass rate for cars first registered 2016–2021 is 88.2% across 7,276 official UK DVSA tests. If a used BMW iX3 is on your shortlist, UK reviewers tend to praise its refinement, cabin quality and premium electric-SUV credentials. But what does the official UK MOT record add to that picture? An 88.2% pass rate across 7,276 tests is solid — but 2,520 tyre notes on the same model fleet show that routine upkeep, not platform drama, is where most MOT friction lives.
Unlike a registration check, this report analyses how thousands of similar BMW iX3 models have performed at MOT over time — not just one vehicle.
- 88.2%
- MOT pass rateshare of recorded tests that passed
- 7k
- MOT tests analysed7,276 official DVSA records
- 6k
- defect notes recorded5,965 · advisory to dangerous
- 2016–21
- registration yearssnapshot 26 September 2026
A fleet outcome for BMW iX3 models registered 2016–2021 — not a reliability score, and not a verdict on one car. Always check the specific vehicle.
Key findings
What the MOT record says about the BMW iX3
- 88.2% MOT pass rate across 7,276 DVSA tests for BMW iX3 cars first registered 2016–2021.
- 5,965 defect notes recorded in total; 4,950 (83%) are classed as owner maintenance rather than wear or systemic design issues.
- "Tyre worn close to legal limit/worn on edge" appears 2,520 times — the single highest-volume defect note in the dataset.
- Only 35 defect notes are classed as systemic; the highest-count systemic item appears once in the record.
- Shock absorber oil misting (123 notes) and headlamp aim too low (77 notes) are the next most frequent upkeep items after tyres.
Failure breakdown
How BMW iX3 MOT failures break down
Share of recorded defect notes by category in this age band — not MOT tests and not number of vehicles.
- 83%Owner maintenance4,950 notes
- 1.2%Wear & tear71 notes
- 0.6%Systemic35 notes
- 15.2%Other909 notes
Advisory
4,543
76% of notes
Minor
331
6% of notes
Major
748
13% of notes
Dangerous
343
6% of notes
Most common owner-maintenance faults
DVSA wording grouped as owner maintenance for this model and age band.
- 1
Tyre worn close to legal limit/worn on edge
2,520 notes5.2.3 (e)What it means, why it happens, what to check
What it means
- Tread is close to (or at) the legal minimum, or wear is concentrated on an edge. That often points to alignment, pressure or suspension issues as well as simple age.
Why it happens
- Under-inflation, poor alignment, aggressive driving or simply delayed replacement push tread below a safe/legal profile.
Buyer tip
- Measure tread across the full width, check tyre age (DOT date) and look for uneven inner-edge wear.
Severity
- Usually maintenance related
- 2
Shock absorbers has light misting of oil
123 notes5.3.2 (b)What it means, why it happens, what to check
What it means
- A damper mounting bush is worn, which can cause knocks, vague handling and accelerated tyre wear.
Why it happens
- Rubber bushes harden and tear with age, road salt and repeated suspension movement.
Buyer tip
- Listen for clunks over speed bumps and have a mechanic check top mounts and lower bushes.
Severity
- Usually maintenance related
- 3
Windscreen washer not working
87 notes3.5 (a)What it means, why it happens, what to check
What it means
- Washer jets are not delivering fluid. Testers need a clear screen; empty reservoirs, blocked jets or failed pumps are common.
Why it happens
- Empty bottles, frozen/blocked jets, split pipes or a failed pump stop fluid reaching the screen.
Buyer tip
- Top up fluid, test the jets on the driveway, and check for cracked bottles or split pipes in the engine bay.
Severity
- Usually maintenance related
- 4
Headlamp aim too low
77 notes4.1.2 (a)What it means, why it happens, what to check
What it means
- This MOT defect usually indicates incorrect headlamp alignment following adjustment, suspension movement or repair work.
Why it happens
- Aim drifts after suspension work, bumper repairs, bulb changes or simply from road vibration over time.
Buyer tip
- Check beam alignment during inspection and ask whether the lamps were aimed after any recent suspension or bodywork.
Severity
- Usually maintenance related
- 5
Tyre pressure monitoring system malfunctioning or obviously inoperative
13 notes5.2.3 (h)What it means, why it happens, what to check
What it means
- The tyre pressure monitoring system is reporting a fault or is clearly not working, so you may not get a dashboard warning of under-inflation.
Why it happens
- Flat battery sensors after tyre changes, damaged valves or control-module faults are common.
Buyer tip
- Confirm whether sensors need replacing after recent tyre or wheel work, and check pressures manually anyway.
Severity
- Usually maintenance related
- 6
Seat belt webbing slightly damaged or frayed
8 notes7.1.2 (b)What it means, why it happens, what to check
What it means
- Seat-belt webbing is frayed or lightly damaged, which can weaken the belt in a crash.
Why it happens
- Abrasion at guides, trapped belts or age fray the webbing fibres.
Buyer tip
- Pull each belt fully out and inspect for cuts, fraying and weak retraction.
Severity
- Usually maintenance related
- 7
Headlamp has a product on the lens but not seriously reducing light output cleaning
6 notes4.1.4 (b)What it means, why it happens, what to check
What it means
- This wording appears on DVSA MOT records for this model. It flags a tester-observed defect or advisory that can affect safety, legality or a future pass.
Why it happens
- These issues often build up when routine checks are skipped between services — tyres, lamps and washers are typical examples.
Buyer tip
- Ask the seller for invoices covering this item, and have an independent inspector confirm whether it is still present.
Severity
- Usually maintenance related
- 8
Headlamp levelling device inoperative Broken
4 notes4.1.5 (a)What it means, why it happens, what to check
What it means
- The automatic or manual headlamp levelling system is not working, so beam height may not adjust correctly with load.
Why it happens
- Failed levelling motors, sensors or switches stop the beam adjusting when the car is loaded.
Buyer tip
- Test levelling controls (if fitted) and treat persistent warnings as a bargaining point.
Severity
- Usually maintenance related
Most common wear & tear faults
DVSA wording grouped as wear and tear for this model and age band.
No wear-and-tear items in this extract.
Most common systemic faults
DVSA wording grouped as systemic patterns for this model and age band.
- 1
Brake performance unable to be tested due to wind screen cracked and obstructing drivers view
1 notes1.2.1 (g)What it means, why it happens, what to check
What it means
- Service brake performance could not be fully verified, or a brake is binding/fluctuating. That often points to worn discs, seized calipers or hub issues.
Why it happens
- Seized caliper slides, worn discs or contaminated friction material upset brake balance.
Buyer tip
- Insist on a road test and a proper brake inspection; unresolved binding can destroy pads and hubs.
Severity
- Often a recurring model pattern
BMW iX3 research summary
If a used BMW iX3 is on your shortlist, UK reviewers tend to praise its refinement, cabin quality and premium electric-SUV credentials — a used EV pick judged on range, interior quality and driving manners as much as on badge appeal.
Carmotiq analysed 7,276 official DVSA MOT tests for BMW iX3 cars first registered 2016–2021, covering vehicles in the 5–10 years old registration-era band we use for consistent make-and-model comparisons. The pass rate: 88.2%. That's make-and-model evidence from official MOT records — not one registration plate, a private sale or a magazine reliability score. Of 5,965 recorded defect notes, 4,950 fall under owner maintenance, 71 under wear and tear, 35 under systemic issues and 909 under other categories. The standout pattern is tyres and routine upkeep: "Tyre worn close to legal limit/worn on edge" appears 2,520 times, followed by shock absorber oil misting (123), a non-working windscreen washer (87) and headlamp aim set too low (77).
That matters when viewing a used iX3 because tyre condition is something you can check for yourself: tread depth and, importantly, tyre edge wear. Pair that with a quick look at dampers, washer jets, glass and headlamp aim. The free report turns those MOT patterns into practical checks for anyone weighing up a used BMW iX3 — alongside a physical inspection and a GOV.UK history on the specific car.
What this report cannot tell you
This report describes model-level MOT trends, not the condition of any individual vehicle.
Two identical BMW iX3 models can have very different maintenance histories.
Use it to understand common patterns before inspecting a specific car — then check that car’s own MOT history.
Year by year
Recent category counts
Defect-note totals by calendar year in the serving extract (not MOT tests, not vehicles, not a prediction).
| Year | Owner maintenance | Wear & tear | Systemic | Other |
|---|---|---|---|---|
| 2022 | 2 | 0 | 0 | 0 |
| 2023 | 1 | 0 | 0 | 0 |
| 2024 | 1,884 | 19 | 11 | 298 |
| 2025 | 2,221 | 36 | 18 | 452 |
| 2026 | 842 | 16 | 6 | 159 |
All counts are defect notes.
How we classify MOT faults
We group recorded DVSA defect wording into four research categories to help identify whether issues are more likely to reflect routine maintenance, expected wear, recurring model patterns or miscellaneous inspection outcomes.
- Owner maintenance
- Defects often linked to day-to-day upkeep — tyres, lamps, washers and other items a careful owner can usually prevent or fix promptly.
- Wear & tear
- Age- and mileage-related deterioration that accumulates with normal use, even when a car has been looked after.
- Systemic
- Recurring wording and patterns across the model fleet that may point to design, component or known-model tendencies rather than one careless owner.
- Other
- Inspection outcomes that do not sit cleanly in the three groups above, including mixed or less classifiable defect notes.
Dataset: 7,276 official UK DVSA MOT tests · 5,965 defect notes · 2016–2021 registrations · United Kingdom · snapshot 26 September 2026 · aggregated model-level MOT analysis.
Buying a used BMW iX3: practical MOT checks
- 1Inspect all four tyres for tread depth across the full width and, importantly, tyre edge wear — "Tyre worn close to legal limit/worn on edge" appears 2,520 times in this extract.
- 2Look along each shock absorber for oil misting or dampness around the body (123 MOT notes).
- 3Confirm the windscreen washer works and the glass is free of cracks or chips that could obstruct the driver's view.
- 4Check headlamp aim and levelling at dusk or against a wall — low aim appears repeatedly in the MOT record.
- 5Ask whether any TPMS warning has appeared recently and whether tyres have been replaced in matched sets with correct pressures.
Frequently asked questions
What is the BMW iX3 MOT pass rate for 2016–2021 registrations?
- In Carmotiq's BMW iX3 extract for cars first registered 2016–2021, the MOT pass rate is 88.2% across 7,276 recorded DVSA tests.
What is the most common BMW iX3 MOT defect?
- "Tyre worn close to legal limit/worn on edge" appears 2,520 times — the single highest-volume defect note in the dataset.
Are BMW iX3 MOT problems usually design faults or upkeep?
- Most defect notes are classed as owner maintenance: 4,950 of 5,965 recorded items. Systemic notes account for 35, and wear-and-tear for 71.
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