Bmw 123 - 2009
246.4 faults per 100 tests
Year average for all cars of 2009 is 311.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 123, model year 2009.
Sample size: 918 cars, 2,077 tests and 5,117 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: 918 cars
The 2009 BMW 123 has an overall defect rate of 246 per 100 vehicles, which is significantly lower than the average rate of 310 per 100 for cars of the same year, representing a 20% improvement. Notably, this model performs exceptionally well in categories such as steering, where it has a defect rate of just 4% compared to the average of 16%. Additionally, it shows lower issues in areas like lights and electrics, body structure, and equipment. Mileage-related trends indicate that defect rates increase with higher mileage, but the BMW 123 consistently remains below the average in all mileage segments. Overall, this model stands out positively in multiple categories, indicating a reliable performance compared to its peers.
Cars by mileage segment
Total: 918 cars
More model years for Bmw 123
Other models from Bmw
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Bmw M2
Bmw M3
Bmw M340D
Bmw M4
Bmw M5
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Bmw X1
Bmw X2
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Bmw X4
Bmw X5
Bmw X6
Bmw X7
Bmw Z3
Bmw Z4
Categories
Brakes
▼ 13.9% worse
133.8 faults / 100 tests
Year avg: 117.5 / 100 tests
- Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake pipe damaged or excessively corroded
Steering
▲ 76.7% better
3.8 faults / 100 tests
Year avg: 16.3 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: worn to the extent there is a serious risk of detachment
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▼ 12.8% worse
26.4 faults / 100 tests
Year avg: 23.4 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Windscreen or window excessively tinted: but not adversely affecting driver’s view
Lights & Electrics
▲ 37.7% better
50.4 faults / 100 tests
Year avg: 80.9 / 100 tests
- Lamp emitted colour, position or intensity not in accordance with the requirements
- The aim of a headlamp is not within limits laid down in the requirements
- Beam image obviously incorrect
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▲ 19.0% better
242.9 faults / 100 tests
Year avg: 299.8 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension component: excessively damaged or corroded
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 63.1% better
15.3 faults / 100 tests
Year avg: 41.5 / 100 tests
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A transmission shaft flexible coupling: excessively deteriorated
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Bumper: insecure or with damage likely to cause injury when grazed or contacted
Equipment
▲ 71.1% better
2.4 faults / 100 tests
Year avg: 8.3 / 100 tests
- Audible warning:
- Seat belt buckle missing, damaged or not functioning as intended
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 48.5% better
17.7 faults / 100 tests
Year avg: 34.4 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Smoke opacity levels exceed the manufacturer’s specified limit
- Engine MIL inoperative or indicating a malfunction
- Exhaust noise levels in excess of those permitted
- Exhaust emits excessive smoke or vapour of any colour to an extent likely to obscure the vision of other road users
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: 633
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 445
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 346
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 297
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 238
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 224
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 223
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 139
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 122
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 118
Serious faults (Top 10)
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 106
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 84
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 82
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 61
Lamp emitted colour, position or intensity not in accordance with the requirements
FAIL
Occurrences: 38
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 36
Beam image obviously incorrect
FAIL
Occurrences: 31
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 27
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 26
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 25