Bmw 120 - 2021
56.8 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 120, model year 2021.
Sample size: 482 cars, 1,212 tests and 689 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 482 cars
The 2021 BMW 120 has a significantly lower overall defect rate, with 57 defects per 100 vehicles compared to the average of 79, marking it 28% better than its peers. Notably, it excels in categories such as brakes, steering, visibility, and body structure, showing particularly impressive results with no steering defects at all. Mileage-related trends indicate that defect rates increase with distance driven, but the BMW remains consistent across mileage segments. While tyre wear is common, the BMW 120's standout performance in critical areas highlights its reliability compared to the average car of the same year.
Cars by mileage segment
Total: 482 cars
More model years for Bmw 120
Other models from Bmw
Bmw 114
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Bmw 320
Bmw 330
Bmw 335
Bmw 418
Bmw 420
Bmw 428
Bmw 430
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Bmw 518
Bmw 520
Bmw 523
Bmw 525
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Bmw 728
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Bmw 740
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Bmw I4
Bmw IX3
Bmw M2
Bmw M3
Bmw M340D
Bmw M4
Bmw M5
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Bmw X1
Bmw X2
Bmw X3
Bmw X4
Bmw X5
Bmw X6
Bmw X7
Bmw Z3
Bmw Z4
Categories
Brakes
▲ 43.0% better
22.8 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake fluid warning light illuminated or defective
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 60.0% better
5.8 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Obligatory mirror or device: slightly damaged or loose
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 55.4% better
5.0 faults / 100 tests
Year avg: 11.2 / 100 tests
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- A lens defective: which has no effect on emitted light
- The aim of a headlamp is not within limits laid down in the requirements
- Headlamp reflector or lens: slightly defective
- Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▲ 12.3% better
76.6 faults / 100 tests
Year avg: 87.3 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- Tyre tread depth not in accordance with the requirements
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 66.7% better
0.7 faults / 100 tests
Year avg: 2.1 / 100 tests
- Exhaust system has a major leak or is insecure
Equipment
▲ 86.7% better
0.2 faults / 100 tests
Year avg: 1.5 / 100 tests
- Audible warning:
Other
▼ 3.7% worse
2.8 faults / 100 tests
Year avg: 2.7 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Engine MIL inoperative or indicating a malfunction
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 209
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 115
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 89
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 35
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 29
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 24
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 23
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 20
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 19
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 19
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 29
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 23
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 20
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 8
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 5
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 4
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 2
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 2
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 2
5.3.2 (d)
FAIL
Occurrences: 2