Bmw 330 - 2018
95.4 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Bmw 330, model year 2018.
Sample size: 3,499 cars, 7,890 tests and 7,526 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 3,499 cars
The 2018 BMW 330 shows a lower overall defect rate of 95 defects per 100 vehicles, which is 21% better than the average for cars of the same year, sitting at 120 defects per 100. Notably, as mileage increases, the defect rates for this model do rise but remain competitive with averages in each mileage segment. The BMW 330 excels particularly in the categories of brakes and steering, with defect rates significantly lower than the average. It also shows strong performance in visibility, lights and electrics, and body structure, reflecting fewer issues overall compared to similar vehicles.
Cars by mileage segment
Total: 3,499 cars
More model years for Bmw 330
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Bmw Z4
Categories
Brakes
▲ 43.8% better
38.7 faults / 100 tests
Year avg: 68.8 / 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
- Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 76.0% better
1.2 faults / 100 tests
Year avg: 5.0 / 100 tests
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
- Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 28.1% better
10.0 faults / 100 tests
Year avg: 13.9 / 100 tests
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear 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
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 71.6% better
5.0 faults / 100 tests
Year avg: 17.6 / 100 tests
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- 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 reflector or lens: slightly defective
Wheels & Suspension
▼ 1.2% worse
128.2 faults / 100 tests
Year avg: 126.7 / 100 tests
- A shock absorber damaged … or showing signs of severe leakage
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 82.4% better
0.9 faults / 100 tests
Year avg: 5.1 / 100 tests
- A body or cab: insecure
- 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
- Bumper: insecure or with damage likely to cause injury when grazed or contacted
Equipment
▲ 50.0% better
1.1 faults / 100 tests
Year avg: 2.2 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Steering lock missing or not functioning
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt:
- Audible warning:
Other
▲ 21.4% better
5.5 faults / 100 tests
Year avg: 7.0 / 100 tests
- 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
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 2,685
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 570
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 527
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 517
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 366
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 313
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 218
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 205
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 204
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 193
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 218
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 204
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 147
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 66
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 59
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 55
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 51
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 46
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 42
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 29