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Bmw 330 - 2021

65.1 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 330, model year 2021. Sample size: 12,771 cars, 30,626 tests and 19,930 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 12,771 cars

The 2021 BMW 330 shows a lower overall defect rate of 65 per 100 vehicles, which is 17% better than the average car of the same year at 79 per 100. This model performs particularly well in categories such as brakes and body structure, with significantly fewer defects compared to the average. However, it has higher rates of issues related to steering and wheels, making it less favorable in those areas. Interestingly, defect rates increase with mileage, peaking in the highest mileage segment, which is consistent with general trends observed in the automotive industry.

Cars by mileage segment

Total: 12,771 cars

More model years for Bmw 330

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
▲ 91.5% better
3.4 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Excessive fluctuation in brake effort through each wheel revolution
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
Steering
▼ 128.6% worse
1.6 faults / 100 tests
Year avg: 0.7 / 100 tests
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • A steering ball joint: with excessive wear or free play
  • Track rod or drag link ends seriously misaligned
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 31.0% better
10.0 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
  • 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
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 48.2% better
5.8 faults / 100 tests
Year avg: 11.2 / 100 tests
  • 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
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
  • Electrical wiring: insecure or inadequately secured
Wheels & Suspension
▼ 21.3% worse
105.9 faults / 100 tests
Year avg: 87.3 / 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 85.7% better
0.3 faults / 100 tests
Year avg: 2.1 / 100 tests
  • An engine mounting or bracket: severely damaged or deteriorated resulting in excessive movement
  • A transmission shaft bearing: excessively worn
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
  • Bumper: insecure or with damage likely to cause injury when grazed or contacted
Equipment
▼ 6.7% worse
1.6 faults / 100 tests
Year avg: 1.5 / 100 tests
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt:
  • A seat belt: or flexible stalk damaged
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • Seat belt not functioning as intended or of an incorrect type
Other
▲ 44.4% better
1.5 faults / 100 tests
Year avg: 2.7 / 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
  • 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
0 268 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: 8,287
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,494
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,279
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,090
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 977
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 810
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 792
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 756
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 603
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 450

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,494
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,090
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 756
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 215
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 117
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 110
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 101
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 98
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 95
Seat belt buckle missing, damaged or not functioning as intended
FAIL
Occurrences: 86