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Bmw M4 - 2016

64.4 faults per 100 tests
Year average for all cars of 2016 is 154.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw M4, model year 2016. Sample size: 2,422 cars, 6,393 tests and 4,118 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 2,422 cars

The 2016 BMW M4 has a significantly lower overall defect rate compared to the average car of the same year, with 64 defects per 100 vehicles compared to the yearly average of 151 defects, marking a 57% improvement. Notably, the M4 excels in several categories such as brakes, steering, and visibility, where its defect rates are much lower than average. Mileage-related trends show that defect rates increase with mileage, but the M4 remains consistently better than average even in higher mileage segments, particularly excelling in the 124,000+ miles category. Overall, this model stands out positively in most categories, showing minimal issues with critical components compared to its peers.

Cars by mileage segment

Total: 2,422 cars

Categories

Brakes
▲ 65.7% better
26.8 faults / 100 tests
Year avg: 78.2 / 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
▲ 90.1% better
0.8 faults / 100 tests
Year avg: 8.1 / 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: worn to the extent there is a serious risk of detachment
Visibility
▲ 66.0% better
5.1 faults / 100 tests
Year avg: 15.0 / 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: missing or obviously not clearing the windscreen
  • Wiper blade: defective
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 85.8% better
3.6 faults / 100 tests
Year avg: 25.4 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Headlamp levelling device inoperative
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
  • Stop lamp(s): all missing or inoperative
Wheels & Suspension
▲ 48.2% better
82.5 faults / 100 tests
Year avg: 159.4 / 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 spring: or spring component fractured or seriously weakened
  • 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
▲ 93.4% better
0.6 faults / 100 tests
Year avg: 9.1 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • 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
  • Exhaust system has a major leak or is insecure
  • Bumper: insecure or with damage likely to cause injury when grazed or contacted
Equipment
▲ 87.9% better
0.4 faults / 100 tests
Year avg: 3.3 / 100 tests
  • ESC MIL indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
  • Audible warning:
  • A seat belt:
Other
▲ 20.4% better
9.0 faults / 100 tests
Year avg: 11.3 / 100 tests
  • Emissions levels exceed default limits
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • 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 test unable to be completed

Fault rate by mileage segment

Model    Year average
0 329 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: 1,393
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 454
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 293
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 247
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 246
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 135
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 125
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 108
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 99
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 87

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 246
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 135
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 87
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 87
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 39
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 15
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 14
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 14
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 13
Emissions levels exceed default limits
FAIL
Occurrences: 12