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Bmw 523 - 2009

181.7 faults per 100 tests
Year average for all cars of 2009 is 311.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 523, model year 2009. Sample size: 110 cars, 252 tests and 458 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 110 cars

The 2009 BMW 523 shows a significantly lower overall defect rate compared to the average car of the same year, with 182 defects per 100 vehicles versus the average of 310 defects per 100. This model excels particularly in categories such as brakes, steering, and body structure, where it performs better than average by substantial margins. However, it faces challenges in the "Other" defects category, where its rate is higher than average. Mileage trends indicate that the defect rate increases with mileage, but the BMW 523 still maintains a relatively strong performance in comparison to its peers throughout various mileage segments.

Cars by mileage segment

Total: 110 cars

More model years for Bmw 523

1997 1998 1999 2000 2005 2006 2007 2008 2009 2010 2011

Other models from Bmw

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Categories

Brakes
▲ 43.9% better
65.9 faults / 100 tests
Year avg: 117.5 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Flexible brake hose: slightly damaged, chafed or twisted
  • Brake fluid warning light illuminated or defective
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 75.5% better
4.0 faults / 100 tests
Year avg: 16.3 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • Steering lock-stop missing or incorrectly adjusted
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 35.5% better
15.1 faults / 100 tests
Year avg: 23.4 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: defective
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Obligatory mirror or device: slightly damaged or loose
Lights & Electrics
▲ 48.0% better
42.1 faults / 100 tests
Year avg: 80.9 / 100 tests
  • Headlamp reflector or lens: slightly defective
  • 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
  • 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
▲ 39.9% better
180.2 faults / 100 tests
Year avg: 299.8 / 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 suspension pin, bush, joint or bearing: excessively worn
  • A suspension joint dust cover: severely deteriorated
Body/Structure
▲ 96.1% better
1.6 faults / 100 tests
Year avg: 41.5 / 100 tests
  • Exhaust system has a major leak or is insecure
Equipment
▲ 80.7% better
1.6 faults / 100 tests
Year avg: 8.3 / 100 tests
  • Seat belt buckle missing, damaged or not functioning as intended
Other
▼ 54.7% worse
53.2 faults / 100 tests
Year avg: 34.4 / 100 tests
  • Emissions levels exceed the manufacturer’s specified limits
  • Emissions levels exceed default limits
  • 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
  • Lambda coefficient outside the default limits or the range specified by the manufacturer

Fault rate by mileage segment

Model    Year average
0 454 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: 57
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 46
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 23
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 23
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 22
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 22
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 20
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 19
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 12
Flexible brake hose: slightly damaged, chafed or twisted
MINOR
Occurrences: 12

Serious faults (Top 10)

Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 12
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 12
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 10
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 8
Emissions levels exceed default limits
FAIL
Occurrences: 7
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 7
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 6
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 5
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 5
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 5