Skip to main content

Bmw 523 - 2006

280.7 faults per 100 tests
Year average for all cars of 2006 is 371.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 523, model year 2006. Sample size: 264 cars, 559 tests and 1,569 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 264 cars

The 2006 BMW 523 shows a lower overall defect rate, with 281 defects per 100 vehicles compared to the average of 369, marking a 24% improvement. It performs particularly well in categories such as Steering, where it has 11 defects per 100 compared to the average of 20, and Body/Structure, with just 8 defects versus the average of 58. However, it does have a higher-than-average rate of defects in the "Other" category, with 65 defects compared to the average of 45. There are noticeable improvements in defect rates as mileage increases, especially in the 124,000+ miles segment, where the BMW performs significantly better than the yearly average for that mileage range.

Cars by mileage segment

Total: 264 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
▼ 3.3% worse
159.2 faults / 100 tests
Year avg: 154.1 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 45.0% better
11.1 faults / 100 tests
Year avg: 20.2 / 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.
  • 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
Visibility
▲ 26.4% better
20.4 faults / 100 tests
Year avg: 27.7 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: defective
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Obligatory mirror or device: slightly damaged or loose
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 41.4% better
65.1 faults / 100 tests
Year avg: 111.1 / 100 tests
  • Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Lamp: multiple light source up to a half not functioning
  • Headlamp reflector or lens: slightly defective
  • Beam image obviously incorrect
Wheels & Suspension
▲ 28.5% better
225.0 faults / 100 tests
Year avg: 314.5 / 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 joint dust cover: severely deteriorated
  • A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 87.4% better
7.5 faults / 100 tests
Year avg: 59.5 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • A door will not open using the relevant control or close properly
  • Fuel system: leaking, or missing or ineffective filler cap
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • Exhaust system has a major leak or is insecure
Equipment
▲ 30.5% better
8.2 faults / 100 tests
Year avg: 11.8 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt:
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt: or flexible stalk damaged
Other
▼ 45.0% worse
64.8 faults / 100 tests
Year avg: 44.7 / 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
  • Emissions levels exceed default limits
  • Exhaust noise levels in excess of those permitted
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 513 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: 175
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 153
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 139
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 135
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 90
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 69
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
ADVISORY
Occurrences: 53
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 43
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 43
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 34

Serious faults (Top 10)

A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 32
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 22
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 22
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 19
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 18
Beam image obviously incorrect
FAIL
Occurrences: 12
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 12
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 8
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 7
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 7