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Bmw 520 - 2017

93.0 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 520, model year 2017. Sample size: 1,622 cars, 3,793 tests and 3,528 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,622 cars

The 2017 BMW 520 has an overall defect rate of 93 per 100 vehicles, which is significantly lower than the average for cars of the same year at 134 per 100, indicating a 30% improvement. Notably, this model excels in categories such as brakes and steering, showing much lower defect rates compared to the average. While the model performs well overall, it does experience some common issues with tyre wear, particularly in higher mileage segments. However, its performance remains strong, especially in the first two mileage categories, where defects are notably lower than average.

Cars by mileage segment

Total: 1,622 cars

More model years for Bmw 520

1995 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Other models from Bmw

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Categories

Brakes
▲ 25.9% better
53.7 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 pipe damaged or excessively corroded
Steering
▲ 94.6% better
0.3 faults / 100 tests
Year avg: 5.6 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 13.1% better
12.6 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: missing or obviously not clearing the windscreen
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 81.4% better
3.8 faults / 100 tests
Year avg: 20.4 / 100 tests
  • Reflector defective or damaged: by up to 50% of the reflecting surface
  • Lamp: multiple light source up to a half not functioning
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 22.8% better
110.5 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 wheel: badly distorted or wear between wheel and hub at spigot mounting
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 80.0% better
1.4 faults / 100 tests
Year avg: 7.0 / 100 tests
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • Bumper: insecure or with damage likely to cause injury when grazed or contacted
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • A transmission shaft flexible coupling: excessively deteriorated
  • Exhaust fumes: entering cabin
Equipment
▲ 59.3% better
1.1 faults / 100 tests
Year avg: 2.7 / 100 tests
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • Seat belt buckle missing, damaged or not functioning as intended
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt:
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 71.1% better
2.6 faults / 100 tests
Year avg: 9.0 / 100 tests
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Any part of the noise suppression system: insecure
  • Smoke opacity levels exceed the manufacturer’s specified limit

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: 1,085
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 345
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 284
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 168
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 167
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 137
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 108
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 103
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 99
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 96

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 137
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 81
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 59
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 38
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 37
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 30
Any fracture or welding defect on a wheel
FAIL
Occurrences: 26
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 14
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 13
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 12