Bmw 430 - 2017
88.3 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 430, model year 2017.
Sample size: 2,796 cars, 6,717 tests and 5,933 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: 2,796 cars
The 2017 BMW 430 has an overall defect rate of 88 per 100 vehicles, which is significantly lower than the yearly average of 134 per 100, marking a 34% improvement. Notably, it exhibits fewer issues in several categories, including brakes, steering, and visibility, with defects in these areas being 37%, 76%, and 39% lower than average, respectively. However, the model does show a trend of increasing defects with mileage, particularly in higher mileage brackets. Overall, the BMW 430 stands out for its reliability compared to the average car of the same year.
Cars by mileage segment
Total: 2,796 cars
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Categories
Brakes
▲ 38.1% better
44.9 faults / 100 tests
Year avg: 72.5 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▲ 78.6% better
1.2 faults / 100 tests
Year avg: 5.6 / 100 tests
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- 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
- Relative movement between steering wheel and column: indicating looseness
Visibility
▲ 38.6% better
8.9 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
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
- Windscreen or window excessively tinted: but not adversely affecting driver’s view
Lights & Electrics
▲ 76.0% better
4.9 faults / 100 tests
Year avg: 20.4 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- which shows red light to the front, white light to the rear or has heavily reduced light intensity
- The aim of a headlamp is not within limits laid down in the requirements
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
Wheels & Suspension
▲ 21.9% better
111.8 faults / 100 tests
Year avg: 143.1 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A shock absorber damaged … or showing signs of severe leakage
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 90.0% better
0.7 faults / 100 tests
Year avg: 7.0 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▲ 59.3% better
1.1 faults / 100 tests
Year avg: 2.7 / 100 tests
- Audible warning:
- ESC MIL indicates a system malfunction
- A seat belt:
- Seat belt buckle missing, damaged or not functioning as intended
- Audible warning not in accordance with requirements
Other
▲ 66.7% better
3.0 faults / 100 tests
Year avg: 9.0 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Exhaust noise levels in excess of those permitted
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- 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: 1,899
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 641
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 462
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 333
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 329
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 264
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 190
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 184
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 159
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 146
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 329
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 132
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 124
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 62
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 59
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 59
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 38
Any fracture or welding defect on a wheel
FAIL
Occurrences: 29
Audible warning:
FAIL
Occurrences: 24
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 20