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Bmw 730 - 2017

70.0 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 730, model year 2017. Sample size: 875 cars, 2,044 tests and 1,430 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 875 cars

The 2017 BMW 730 has a significantly lower overall defect rate compared to the average car of the same year, with 70 defects per 100 vehicles, which is 48% fewer than the average of 134 defects per 100. While mileage-related trends show that defect rates increase with higher mileage, the BMW exhibits better performance in key areas such as brakes, steering, and lights, with defects being notably lower than average. However, it does have a higher incidence of body and structure defects, recorded at 18% compared to the average of 6%. Overall, the BMW 730 demonstrates strong reliability in several major categories but faces challenges in body condition as mileage increases.

Cars by mileage segment

Total: 875 cars

Categories

Brakes
▲ 58.6% better
30.0 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
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 96.4% better
0.2 faults / 100 tests
Year avg: 5.6 / 100 tests
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 33.1% better
9.7 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
  • An obstruction: materially affecting the driver’s view of the road through the swept area of the windscreen or an obligatory external mirror not visible
  • Wiper blade: defective
  • Windscreen or window excessively tinted: but not adversely affecting driver’s view
Lights & Electrics
▲ 87.3% better
2.6 faults / 100 tests
Year avg: 20.4 / 100 tests
  • A lens defective: which has no effect on emitted light
  • Lamp: multiple light source up to a half not functioning
  • 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 lens defective: which has no effect on emitted light
Wheels & Suspension
▲ 49.6% better
72.1 faults / 100 tests
Year avg: 143.1 / 100 tests
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • 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 lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▼ 158.6% worse
18.1 faults / 100 tests
Year avg: 7.0 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • A transmission: joint, belt or chain excessively worn
  • A transmission shaft flexible coupling: excessively deteriorated
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • A door will not open using the relevant control or close properly
Equipment
▲ 92.6% better
0.2 faults / 100 tests
Year avg: 2.7 / 100 tests
  • A seat belt:
Other
▲ 23.3% better
6.9 faults / 100 tests
Year avg: 9.0 / 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
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 318 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: 439
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 115
A transmission shaft flexible coupling: excessively deteriorated
ADVISORY
Occurrences: 79
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 73
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 72
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 68
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 62
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 57
Excessive fluctuation in brake effort through each wheel revolution
ADVISORY
Occurrences: 36
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 35

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 35
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 27
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 22
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 20
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 15
Any fracture or welding defect on a wheel
FAIL
Occurrences: 14
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 9
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 8
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 6
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 6