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Bmw 640 - 2017

67.5 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 640, model year 2017. Sample size: 1,258 cars, 2,990 tests and 2,017 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,258 cars

The 2017 BMW 640 exhibits a significantly lower overall defect rate compared to the average car from the same year, with just 67 defects per 100 vehicles, which is 50% better than the average of 134 defects. Notably, this model performs exceptionally well in categories such as brakes and steering, showing a 60% and 86% reduction in defect rates respectively compared to the average. Additionally, it has a strong performance in wheels and suspensions, though this area still reflects a higher defect rate than some other segments. The mileage-related trends indicate that as mileage increases, defect rates for this model rise sharply, particularly in the highest mileage bracket where defects reach 270 per 100 vehicles. Overall, the BMW 640 stands out for its reliability, especially in critical safety categories.

Cars by mileage segment

Total: 1,258 cars

Categories

Brakes
▲ 60.8% better
28.4 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 pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 87.5% better
0.7 faults / 100 tests
Year avg: 5.6 / 100 tests
  • 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.
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 14.5% better
12.4 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: defective
  • Windscreen or window excessively tinted: but not adversely affecting driver’s view
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 71.1% better
5.9 faults / 100 tests
Year avg: 20.4 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Stop lamp(s): all missing or inoperative
  • Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
Wheels & Suspension
▲ 43.3% better
81.1 faults / 100 tests
Year avg: 143.1 / 100 tests
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • 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
▲ 44.3% better
3.9 faults / 100 tests
Year avg: 7.0 / 100 tests
  • A transmission shaft flexible coupling: excessively deteriorated
  • A transmission shaft flexible coupling: excessively deteriorated
  • A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▲ 70.4% better
0.8 faults / 100 tests
Year avg: 2.7 / 100 tests
  • An airbag obviously inoperative
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Seat belt retractor not functioning as intended
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt:
Other
▲ 82.2% better
1.6 faults / 100 tests
Year avg: 9.0 / 100 tests
  • Emission control equipment fitted by the manufacturer missing, obviously modified or obviously defective
  • Any part of the noise suppression system: insecure
  • 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

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: 537
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 194
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 143
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 122
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 92
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 72
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 64
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 60
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 57
A transmission shaft flexible coupling: excessively deteriorated
ADVISORY
Occurrences: 56

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 194
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 51
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 33
Any fracture or welding defect on a wheel
FAIL
Occurrences: 32
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 30
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 18
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 14
Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
FAIL
Occurrences: 13
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 13
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 10