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Bmw X4 - 2015

102.9 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw X4, model year 2015. Sample size: 2,502 cars, 6,041 tests and 6,218 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 2,502 cars

The 2015 BMW X4 shows a significantly lower overall defect rate compared to the yearly average, with 103 defects per 100 vehicles, which is 40% better than the average of 170 defects per 100. In terms of mileage-related trends, the model experiences a slight increase in defects with higher mileage, peaking at 271 defects per 100 for vehicles over 124,000 miles. Notably, the X4 excels in several categories, including brakes, where it has nearly half the defect rate compared to the average, and lights and electrics, where it fares much better as well. Overall, while tyre wear might be a concern, the BMW X4 stands out positively in critical areas, reflecting its reliability for owners.

Cars by mileage segment

Total: 2,502 cars

More model years for Bmw X4

2014 2015 2016 2017 2018 2019 2020 2021 2022

Other models from Bmw

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Categories

Brakes
▲ 48.1% better
44.0 faults / 100 tests
Year avg: 84.7 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 46.5% better
5.3 faults / 100 tests
Year avg: 9.9 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • A steering ball joint: with excessive wear or free play
  • A steering linkage component: with an unsafe modification
  • 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
▲ 21.7% better
12.6 faults / 100 tests
Year avg: 16.1 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: missing or obviously not clearing the windscreen
  • 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
Lights & Electrics
▲ 63.5% better
11.3 faults / 100 tests
Year avg: 31.0 / 100 tests
  • Stop lamp(s): all missing or inoperative
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • Headlamp levelling device inoperative
  • The aim of a headlamp is not within limits laid down in the requirements
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 31.6% better
122.0 faults / 100 tests
Year avg: 178.3 / 100 tests
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • Tyre tread depth not in accordance with the requirements
  • A spring: or spring component fractured or seriously weakened
  • A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 84.6% better
1.8 faults / 100 tests
Year avg: 11.7 / 100 tests
  • A transmission: joint, belt or chain excessively worn
  • Exhaust system has a major leak or is insecure
  • Exhaust system has a major leak or is insecure
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
Equipment
▲ 80.0% better
0.8 faults / 100 tests
Year avg: 4.0 / 100 tests
  • Audible warning:
  • ESC MIL indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt:
Other
▲ 39.4% better
8.0 faults / 100 tests
Year avg: 13.2 / 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
  • Any part of the noise suppression system: insecure
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 342 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: 1,858
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 607
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 369
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 361
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 237
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 219
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 195
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 164
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 156
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 150

Serious faults (Top 10)

A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 237
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 132
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 125
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 84
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 76
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 67
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 50
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 50
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 48
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 40