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Bmw X3 - 2020

57.3 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw X3, model year 2020. Sample size: 8,991 cars, 20,110 tests and 11,523 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 8,991 cars

The 2020 BMW X3 shows a significantly lower overall defect rate, with 57 defects per 100 vehicles compared to the yearly average of 90 defects per 100, representing a 36% improvement. Notably, it excels in several categories, particularly brakes, steering, and lights & electrics, where it has far fewer defects than the average car. Mileage-related trends reveal that defect rates increase with mileage, but the X3 maintains a competitive performance across all mileage segments. Unlike many vehicles, the X3 does not have any standout categories of common failures, indicating a strong reliability profile overall.

Cars by mileage segment

Total: 8,991 cars

Categories

Brakes
▲ 66.9% better
16.8 faults / 100 tests
Year avg: 50.8 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn down to wear indicator
Steering
▲ 86.7% better
0.2 faults / 100 tests
Year avg: 1.5 / 100 tests
  • A steering linkage component: fractured or deformed
  • A steering ball joint: with excessive wear or free play
  • A steering linkage component: with an unsafe modification
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
Visibility
▲ 14.9% better
12.0 faults / 100 tests
Year avg: 14.1 / 100 tests
  • Wiper blade: missing or obviously not clearing 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
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 73.2% better
3.0 faults / 100 tests
Year avg: 11.2 / 100 tests
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
  • A lens defective: which has no effect on emitted light
  • 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
  • Headlamp levelling device inoperative
Wheels & Suspension
▲ 18.9% better
79.1 faults / 100 tests
Year avg: 97.5 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • 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 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
Body/Structure
▲ 75.0% better
0.6 faults / 100 tests
Year avg: 2.4 / 100 tests
  • Exhaust system has a major leak or is insecure
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • Exhaust fumes: entering cabin
  • A transmission shaft flexible coupling: excessively deteriorated
  • A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 66.7% better
0.5 faults / 100 tests
Year avg: 1.5 / 100 tests
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • ESC MIL indicates a system malfunction
  • A seat belt:
  • A seat belt:
  • Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 35.1% better
2.4 faults / 100 tests
Year avg: 3.7 / 100 tests
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users

Fault rate by mileage segment

Model    Year average
0 500 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: 4,288
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,607
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 803
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 589
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 493
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
FAIL
Occurrences: 428
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 397
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 291
Wiper blade: defective
MINOR
Occurrences: 225

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 589
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 428
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 291
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 211
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 107
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 103
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 76
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 54
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 45
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 35