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Bmw Z4 - 2006

251.3 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 Z4, model year 2006. Sample size: 3,558 cars, 8,179 tests and 20,557 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 3,558 cars

The 2006 BMW Z4 has an overall defect rate of 251 defects per 100 vehicles, significantly lower than the yearly average of 369 defects per 100, marking a 32% improvement. This model shows a positive trend as mileage increases, with defect rates rising from 235 in the lowest mileage category to 471 in the highest. Notably, the Z4 excels in several categories, including steering, where it has only 2 defects per 100 vehicles compared to the average of 20. Additionally, it performs better than average in visibility, lights and electrics, and body structure defects, highlighting its reliability in these areas.

Cars by mileage segment

Total: 3,558 cars

More model years for Bmw Z4

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2019 2020 2021 2022

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
▼ 13.2% worse
174.5 faults / 100 tests
Year avg: 154.1 / 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
▲ 91.1% better
1.8 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: damaged or deteriorated
  • 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
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▲ 35.4% better
17.9 faults / 100 tests
Year avg: 27.7 / 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
▲ 53.2% better
52.0 faults / 100 tests
Year avg: 111.1 / 100 tests
  • 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
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • Headlamp reflector or lens: slightly defective
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 36.5% better
199.6 faults / 100 tests
Year avg: 314.5 / 100 tests
  • A suspension component: excessively damaged or corroded
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A spring: or spring component fractured or seriously weakened
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 79.0% better
12.5 faults / 100 tests
Year avg: 59.5 / 100 tests
  • Exhaust system has a major leak or is insecure
  • Fuel system: leaking, or missing or ineffective filler cap
  • A door will not open using the relevant control or close properly
  • 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
▲ 66.9% better
3.9 faults / 100 tests
Year avg: 11.8 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Audible warning:
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • ESC MIL indicates a system malfunction
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▲ 9.6% better
40.4 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
  • Emissions levels exceed default limits
  • Emissions levels exceed the manufacturer’s specified limits
  • Engine MIL inoperative or indicating a malfunction
  • Lambda coefficient outside the default limits or the range specified by the manufacturer

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)

Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 3,135
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,802
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,517
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,192
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 1,156
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 988
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 721
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 620
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 581
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 456

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 456
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 450
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 197
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 174
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 167
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 140
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 138
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 128
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 111
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 107