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Bmw 523 - 2011

134.8 faults per 100 tests
Year average for all cars of 2011 is 274.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 523, model year 2011. Sample size: 207 cars, 396 tests and 534 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 207 cars

The 2011 BMW 523 demonstrates a significantly lower overall defect rate compared to the average car of the same year, with 135 defects per 100 vehicles, which is 50% better than the average of 271 defects. Notably, this model excels in categories such as brakes, steering, and lights, showing much fewer issues than the average, particularly in brakes where it has only 54 defects per 100 compared to 112 for the average. However, it does show a higher incidence of defects in the "Other" category, with 41 defects per 100, indicating that while it performs well in key areas, there are still some unique challenges. Mileage-related trends reveal that defect rates increase with mileage, but the model maintains a better performance across all mileage segments compared to the average car. Overall, the BMW 523 stands out positively in several key safety and operational areas.

Cars by mileage segment

Total: 207 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
▲ 51.3% better
53.5 faults / 100 tests
Year avg: 109.9 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 77.8% better
3.5 faults / 100 tests
Year avg: 15.8 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 50.0% better
10.6 faults / 100 tests
Year avg: 21.2 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: defective
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: missing or obviously not clearing the windscreen
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 75.8% better
16.7 faults / 100 tests
Year avg: 68.9 / 100 tests
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
  • A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
  • The aim of a headlamp is not within limits laid down in the requirements
  • Lamp: multiple light source up to a half not functioning
Wheels & Suspension
▲ 48.0% better
138.4 faults / 100 tests
Year avg: 266.4 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • 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 tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 82.1% better
5.6 faults / 100 tests
Year avg: 31.3 / 100 tests
  • Exhaust system has a major leak or is insecure
  • A transmission shaft flexible coupling: excessively deteriorated
Equipment
▲ 93.2% better
0.5 faults / 100 tests
Year avg: 7.4 / 100 tests
  • Seat belt buckle missing, damaged or not functioning as intended
Other
▼ 47.1% worse
40.9 faults / 100 tests
Year avg: 27.8 / 100 tests
  • Emissions levels exceed default limits
  • Emissions levels exceed the manufacturer’s specified limits
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Exhaust emits excessive dense blue or clearly visible black smoke during acceleration which would obscure the view of other road users
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 421 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: 97
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 61
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 60
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 40
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 24
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 21
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 15
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 15
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 14
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 12

Serious faults (Top 10)

Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 15
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 14
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 11
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 9
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 7
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 5
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 5
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 5
Emissions levels exceed default limits
FAIL
Occurrences: 4
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 4