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Bmw 730 - 2021

45.9 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 730, model year 2021. Sample size: 446 cars, 1,125 tests and 516 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 446 cars

The 2021 BMW 730 has an overall defect rate of 46 per 100 vehicles, which is significantly better than the average of 79 per 100, representing a 42% improvement. While tyre wear is not highlighted as a major concern, the model excels particularly in categories such as Brakes, Steering, and Lights & Electrics, showing much lower defect rates compared to the yearly averages. However, it does face a notable challenge in the Body/Structure category, where its defect rate is much higher than average. Mileage-related trends indicate that the defect rates rise consistently with increased mileage, but the model maintains lower overall defects even in higher mileage segments.

Cars by mileage segment

Total: 446 cars

Categories

Brakes
▲ 79.0% better
8.4 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
  • Brake lining or pad: worn below 1.5mm
  • Excessive fluctuation in brake effort through each wheel revolution
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 62.1% better
5.5 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: defective
  • Obligatory mirror or device not providing an adequate view to the rear
Lights & Electrics
▲ 75.9% better
2.7 faults / 100 tests
Year avg: 11.2 / 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
  • A direction indicator: lamp with a multiple light source up to 1/2 not functioning
  • The aim of a headlamp is not within limits laid down in the requirements
  • Lamp: not securely attached
Wheels & Suspension
▲ 25.9% better
64.7 faults / 100 tests
Year avg: 87.3 / 100 tests
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A wheel: badly distorted or wear between wheel and hub at spigot mounting
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▼ 247.6% worse
7.3 faults / 100 tests
Year avg: 2.1 / 100 tests
  • A transmission shaft flexible coupling: excessively deteriorated
  • Fuel tank, pipe or hose: insecure
  • A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 86.7% better
0.2 faults / 100 tests
Year avg: 1.5 / 100 tests
  • A seat belt:
Other
▼ 11.1% worse
3.0 faults / 100 tests
Year avg: 2.7 / 100 tests
  • 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
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 268 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 227
A transmission shaft flexible coupling: excessively deteriorated
ADVISORY
Occurrences: 36
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 29
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 28
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 27
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 21
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 18
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 13
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 13
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 13

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 27
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 13
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 13
Any fracture or welding defect on a wheel
FAIL
Occurrences: 8
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 5
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 3
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 2
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 2
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 2
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 2