Bmw 525 - 2009
202.0 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 525, model year 2009.
Sample size: 1,188 cars, 2,618 tests and 5,289 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 1,188 cars
The 2009 BMW 525 has an overall defect rate of 202 per 100 vehicles, which is significantly lower than the annual average of 310 per 100, marking a 35% improvement. Notably, the model performs particularly well in categories like brakes and lights & electrics, with defect rates substantially below the average for its year. Mileage trends indicate that the defect rate increases with higher mileage, peaking in the 93,000 to 124,000-mile range. Unlike many average vehicles, the BMW 525 shows fewer issues related to body structure and equipment, suggesting a strong build quality and reliability in these areas.
Cars by mileage segment
Total: 1,188 cars
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Categories
Brakes
▲ 28.1% better
84.5 faults / 100 tests
Year avg: 117.5 / 100 tests
- Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake pipe damaged or excessively corroded
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
Steering
▲ 15.3% better
13.8 faults / 100 tests
Year avg: 16.3 / 100 tests
- A steering ball joint: with excessive wear or free play
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- 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
Visibility
▲ 11.5% better
20.7 faults / 100 tests
Year avg: 23.4 / 100 tests
- Obligatory mirror or device: slightly damaged or loose
- Wiper blade: defective
- 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
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 48.3% better
41.8 faults / 100 tests
Year avg: 80.9 / 100 tests
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- 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
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Lamp: multiple light source up to a half not functioning
Wheels & Suspension
▲ 29.5% better
211.3 faults / 100 tests
Year avg: 299.8 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension joint dust cover: severely deteriorated
- 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 joint dust cover: missing or no longer prevents the ingress of dirt etc.
Body/Structure
▲ 77.1% better
9.5 faults / 100 tests
Year avg: 41.5 / 100 tests
- A transmission shaft flexible coupling: excessively deteriorated
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
Equipment
▲ 53.0% better
3.9 faults / 100 tests
Year avg: 8.3 / 100 tests
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 45.9% better
18.6 faults / 100 tests
Year avg: 34.4 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed the manufacturer’s specified limits
- Engine MIL inoperative or indicating a malfunction
- Smoke opacity levels exceed the manufacturer’s specified limit
- Lambda coefficient outside the default limits or the range specified by the manufacturer
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 817
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 744
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 328
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 237
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 228
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 205
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 146
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 140
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 136
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 134
Serious faults (Top 10)
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 134
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 107
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 91
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 72
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 51
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 46
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 33
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 32
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 27
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 23