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Bmw 523 - 1999

348.1 faults per 100 tests
Year average for all cars of 1999 is 349.1 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 523, model year 1999. Sample size: 319 cars, 665 tests and 2,315 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 319 cars

The 1999 BMW 523 has an overall defect rate of 348 per 100 vehicles, which is slightly higher than the yearly average of 345 per 100. While tyre wear is a common concern across many models, this vehicle particularly excels in the Body/Structure category, showing a significantly lower defect rate of 31% compared to the average of 73%. However, it performs worse in the "Other" category, with a defect rate of 68%, surpassing the average of 55%. Mileage trends indicate that as the vehicle ages, the defect rate increases, especially in the highest mileage group, where it reaches 516 defects per 100 cars.

Cars by mileage segment

Total: 319 cars

More model years for Bmw 523

1997 1998 1999 2000 2005 2006 2007 2008 2009 2010 2011

Other models from Bmw

Bmw 114 Bmw 116 Bmw 118 Bmw 120 Bmw 123 Bmw 125 Bmw 216 Bmw 218 Bmw 220 Bmw 316 Bmw 318 Bmw 320 Bmw 330 Bmw 335 Bmw 418 Bmw 420 Bmw 428 Bmw 430 Bmw 435 Bmw 440 Bmw 518 Bmw 520 Bmw 523 Bmw 525 Bmw 528 Bmw 530 Bmw 535 Bmw 630 Bmw 640 Bmw 645 Bmw 650 Bmw 728 Bmw 730 Bmw 740 Bmw 840 Bmw ALPINA Bmw I3 Bmw I4 Bmw IX3 Bmw M2 Bmw M3 Bmw M340D Bmw M4 Bmw M5 Bmw M6 Bmw X1 Bmw X2 Bmw X3 Bmw X4 Bmw X5 Bmw X6 Bmw X7 Bmw Z3 Bmw Z4

Categories

Brakes
▼ 18.1% worse
181.1 faults / 100 tests
Year avg: 153.4 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Parking brake efficiency: below minimum requirement
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 5.8% better
24.4 faults / 100 tests
Year avg: 25.9 / 100 tests
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • Power steering fluid leaking or system malfunctioning
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 11.7% better
23.5 faults / 100 tests
Year avg: 26.6 / 100 tests
  • 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
  • Wiper blade: missing or obviously not clearing the windscreen
  • Wiper blade: defective
Lights & Electrics
▼ 0.5% worse
73.4 faults / 100 tests
Year avg: 73.0 / 100 tests
  • Headlamp reflector or lens: slightly defective
  • 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
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
Wheels & Suspension
▼ 2.8% worse
274.3 faults / 100 tests
Year avg: 266.9 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A spring: or spring component fractured or seriously weakened
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension joint dust cover: severely deteriorated
Body/Structure
▲ 59.1% better
31.3 faults / 100 tests
Year avg: 76.5 / 100 tests
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • Body, cab or chassis: excessively corroded at mounting points
  • Body, cab or chassis: excessively corroded at mounting points
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • A door will not open using the relevant control or close properly
Equipment
▼ 8.3% worse
20.8 faults / 100 tests
Year avg: 19.2 / 100 tests
  • 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
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt: or flexible stalk damaged
Other
▼ 19.8% worse
67.7 faults / 100 tests
Year avg: 56.5 / 100 tests
  • 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
  • Emission control equipment fitted by the manufacturer: missing, obviously modified or obviously defective
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Emissions test unable to be completed

Fault rate by mileage segment

Model    Year average
0 538 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: 207
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 195
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 194
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 156
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 130
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 111
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 75
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 71
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 50
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 45

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 44
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 43
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 37
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 26
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
FAIL
Occurrences: 24
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 23
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 22
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 22
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: 20
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 18