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Bmw Z4 - 2014

100.3 faults per 100 tests
Year average for all cars of 2014 is 198.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw Z4, model year 2014. Sample size: 2,251 cars, 5,164 tests and 5,178 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 2,251 cars

The 2014 BMW Z4 demonstrates a significantly lower overall defect rate compared to the yearly average, with 100 defects per 100 vehicles, which is 48% better than the average of 194 defects per 100. Notably, the Z4 excels in several categories, such as brakes and steering, where it shows a remarkable improvement over average defect rates. Although tyre wear is not highlighted, the model's performance in categories like visibility and lights suggests it is well-maintained overall. Mileage-related trends indicate that defect rates increase with higher mileage, which is typical, yet the Z4 remains more reliable than the average vehicle across all mileage segments.

Cars by mileage segment

Total: 2,251 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
▲ 41.1% better
54.7 faults / 100 tests
Year avg: 92.8 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
  • Brake lining or pad: worn below 1.5mm
  • Brake lining or pad: worn below 1.5mm
  • Brake pipe damaged or excessively corroded
Steering
▲ 98.3% better
0.2 faults / 100 tests
Year avg: 11.9 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 30.2% better
12.0 faults / 100 tests
Year avg: 17.2 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: missing or obviously not clearing the windscreen
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 84.1% better
6.3 faults / 100 tests
Year avg: 39.5 / 100 tests
  • Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
  • Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
  • The aim of a headlamp is not within limits laid down in the requirements
  • Stop lamp(s): with a multiple light source up to 1/2 not functioning
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
Wheels & Suspension
▲ 42.7% better
113.9 faults / 100 tests
Year avg: 198.8 / 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 81.4% better
2.9 faults / 100 tests
Year avg: 15.6 / 100 tests
  • Exhaust system has a major leak or is 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
  • A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
  • A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 35.6% better
2.9 faults / 100 tests
Year avg: 4.5 / 100 tests
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt: or flexible stalk damaged
  • A seat belt:
  • ESC MIL indicates a system malfunction
Other
▲ 52.9% better
7.4 faults / 100 tests
Year avg: 15.7 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Emissions levels exceed default limits
  • Engine MIL inoperative or indicating a malfunction
  • Emissions levels exceed the manufacturer’s specified limits

Fault rate by mileage segment

Model    Year average
0 359 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: 1,150
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 690
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 616
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 351
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 173
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 153
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 153
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 144
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 132
Any fracture or welding defect on a wheel
FAIL
Occurrences: 124

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 173
Any fracture or welding defect on a wheel
FAIL
Occurrences: 124
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 76
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 69
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 65
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 64
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 35
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 33
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 22
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 19