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Bmw 525 - 2005

348.9 faults per 100 tests
Year average for all cars of 2005 is 377.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 525, model year 2005. Sample size: 1,548 cars, 3,153 tests and 11,001 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,548 cars

The 2005 BMW 525 has an overall defect rate of 349 per 100 vehicles, which is about 7% lower than the average for cars of the same year. Notably, this model performs significantly better in visibility and body/structure categories, with defect rates 27% and 69% lower than the average, respectively. However, it has a higher incidence of defects in the "Other" category, exceeding the average by 26%. Mileage trends indicate that as the vehicle ages, the defect rate tends to increase, particularly in the highest mileage bracket of over 124,000 miles.

Cars by mileage segment

Total: 1,548 cars

Categories

Brakes
▼ 10.2% worse
174.7 faults / 100 tests
Year avg: 158.5 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Brake disc or drum: significantly and obviously worn
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 5.8% better
21.1 faults / 100 tests
Year avg: 22.4 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • A steering ball joint: worn to the extent there is a serious risk of detachment
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 27.5% better
20.6 faults / 100 tests
Year avg: 28.4 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: missing or obviously not clearing the windscreen
  • 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
  • Obligatory mirror or device: slightly damaged or loose
Lights & Electrics
▲ 13.9% better
94.8 faults / 100 tests
Year avg: 110.1 / 100 tests
  • Headlamp reflector or lens: slightly defective
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Beam image obviously incorrect
  • Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
  • Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▲ 6.3% better
294.4 faults / 100 tests
Year avg: 314.1 / 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 suspension pin, bush, joint or bearing: excessively worn
  • A suspension pin, bush, joint or bearing: excessively worn
  • A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 69.6% better
18.7 faults / 100 tests
Year avg: 61.5 / 100 tests
  • Exhaust system has a major leak or is insecure
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • Exhaust system has a major leak or is insecure
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▼ 8.5% worse
14.0 faults / 100 tests
Year avg: 12.9 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
Other
▼ 27.2% worse
59.4 faults / 100 tests
Year avg: 46.7 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Exhaust emits excessive smoke or vapour of any colour to an extent likely to obscure the vision of other road users
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction
  • Exhaust emits excessive dense blue or clearly visible black smoke during acceleration which would obscure the view of other road users

Fault rate by mileage segment

Model    Year average
0 520 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)

A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,479
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,132
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 841
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 756
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 495
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 344
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 309
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 254
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 248
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
ADVISORY
Occurrences: 238

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 309
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 111
Beam image obviously incorrect
FAIL
Occurrences: 109
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 106
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 103
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 98
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 93
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 85
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 85
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 85