Bmw 728 - 1998
275.0 faults per 100 tests
Year average for all cars of 1998 is 342.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 728, model year 1998.
Sample size: 102 cars, 192 tests and 528 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: 102 cars
The 1998 BMW 728 has an overall defect rate of 275 defects per 100 vehicles, which is 19% lower than the yearly average of 339 defects per 100 vehicles. The model shows a significant increase in defects as mileage increases, particularly in the higher mileage brackets. Notably, the BMW performs better than average in categories such as visibility, lights and electrics, body structure, equipment, and other defects, with each showing a reduction in defect rates compared to the average for the year. Overall, this model exhibits a strong performance in several key areas, suggesting a reliable build quality relative to its peers.
Cars by mileage segment
Total: 102 cars
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Categories
Brakes
▲ 12.1% better
131.3 faults / 100 tests
Year avg: 149.4 / 100 tests
- Brake pipe damaged or excessively corroded
- Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake pipe damaged or excessively corroded
Steering
▼ 14.1% worse
29.2 faults / 100 tests
Year avg: 25.6 / 100 tests
- A steering ball joint: with excessive wear or free play
- A steering linkage component with: excessive movement between components or likely to become detached
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Power steering fluid leaking or system malfunctioning
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▲ 32.7% better
17.7 faults / 100 tests
Year avg: 26.3 / 100 tests
- 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
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 48.4% better
34.4 faults / 100 tests
Year avg: 66.7 / 100 tests
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp: multiple light source up to a half not functioning
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▲ 2.6% better
251.0 faults / 100 tests
Year avg: 257.8 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension joint dust cover: severely deteriorated
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- A suspension component: excessively damaged or corroded
Body/Structure
▲ 52.2% better
38.5 faults / 100 tests
Year avg: 80.5 / 100 tests
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Exhaust system has a major leak or is insecure
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 49.0% better
10.4 faults / 100 tests
Year avg: 20.4 / 100 tests
- 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
- 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
- A statutory seat belt missing
- ESC MIL indicates a system malfunction
Other
▲ 36.4% better
37.5 faults / 100 tests
Year avg: 59.0 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Exhaust noise levels in excess of those permitted
- Emissions test unable to be completed
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Any part of the noise suppression system: insecure
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 46
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 37
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 35
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 31
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 30
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 29
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 19
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 17
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 16
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 14
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 19
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 12
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 7
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 7
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 5
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 5
A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
FAIL
Occurrences: 4
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
FAIL
Occurrences: 4
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 4
Fuel system: leaking excessively or a risk of fire
FAIL
Occurrences: 3