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Bmw M4 - 2014

68.3 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 M4, model year 2014. Sample size: 1,345 cars, 3,452 tests and 2,356 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,345 cars

The 2014 BMW M4 displays a significantly lower overall defect rate compared to the average car of the same year, with only 68 reported defects per 100 vehicles, which is 65% better than the average of 194. This model excels particularly in categories such as brakes and steering, where it has a defect rate of just 25% and 0.06%, respectively, compared to much higher averages. Additionally, it shows favorable results in visibility, lights and electrics, and body structure. However, as mileage increases, the defect rates rise, particularly in the upper mileage brackets. Overall, the M4 stands out for its reliability relative to its peers.

Cars by mileage segment

Total: 1,345 cars

More model years for Bmw M4

2014 2015 2016 2017 2018 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
▲ 72.8% better
25.2 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
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake lining or pad: worn below 1.5mm
  • Brake pipe damaged or excessively corroded
Steering
▲ 99.2% better
0.1 faults / 100 tests
Year avg: 11.9 / 100 tests
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 62.2% better
6.5 faults / 100 tests
Year avg: 17.2 / 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
  • Wiper blade: defective
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • An obstruction: within the driver’s field of view that materially affects his view in front or to the sides outside the swept area of windscreen
Lights & Electrics
▲ 85.6% better
5.7 faults / 100 tests
Year avg: 39.5 / 100 tests
  • A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
  • Lamp: multiple light source up to a half not functioning
  • The aim of a headlamp is not within limits laid down in the requirements
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
  • Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
Wheels & Suspension
▲ 58.1% better
83.3 faults / 100 tests
Year avg: 198.8 / 100 tests
  • 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
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 85.9% better
2.2 faults / 100 tests
Year avg: 15.6 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • Fuel system: leaking, or missing or ineffective filler cap
  • Exhaust system has a major leak or is insecure
  • 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
▲ 71.1% better
1.3 faults / 100 tests
Year avg: 4.5 / 100 tests
  • ESC MIL indicates a system malfunction
  • Audible warning not in accordance with requirements
  • Audible warning control insecure
  • ESC switch damaged or not functioning correctly
  • Seat belt not functioning as intended or of an incorrect type
Other
▲ 21.7% better
12.3 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
  • Emissions levels exceed the manufacturer’s specified limits
  • Engine MIL inoperative or indicating a malfunction
  • Exhaust noise levels in excess of those permitted
  • Emissions levels exceed default 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: 765
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 217
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 216
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 127
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 107
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 81
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 76
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 66
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 51
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 44

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 107
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 51
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 26
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 25
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 16
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 16
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 16
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 15
Emissions levels exceed default limits
FAIL
Occurrences: 14
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 12