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Bmw 318 - 2021

73.2 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 318, model year 2021. Sample size: 2,277 cars, 5,377 tests and 3,936 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 2,277 cars

The 2021 BMW 318 has an overall defect rate of 73 per 100 vehicles, which is slightly better than the average defect rate of 79 per 100 for cars of the same year, representing a 6.8% improvement. Notably, this model shows significantly fewer issues in visibility, lights and electrics, body structure, equipment, and other categories compared to the average. Interestingly, as mileage increases, the defect rates for this model rise sharply, particularly in the highest mileage category where it reaches 460 defects per 100 vehicles. Overall, the BMW 318 exhibits strong performance in specific defect categories, highlighting its reliability relative to similar vehicles.

Cars by mileage segment

Total: 2,277 cars

More model years for Bmw 318

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
▲ 15.0% better
34.0 faults / 100 tests
Year avg: 40.0 / 100 tests
  • 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
  • Brake disc or drum: significantly and obviously worn
  • Brake lining or pad: worn below 1.5mm
Steering
▼ 14.3% worse
0.8 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.
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▲ 38.6% better
8.9 faults / 100 tests
Year avg: 14.5 / 100 tests
  • 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: defective
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 44.6% better
6.2 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
  • 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
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
Wheels & Suspension
▼ 6.9% worse
93.3 faults / 100 tests
Year avg: 87.3 / 100 tests
  • 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
  • Tyre tread depth not in accordance with the requirements
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 90.5% better
0.2 faults / 100 tests
Year avg: 2.1 / 100 tests
  • A transmission shaft flexible coupling: excessively deteriorated
  • A transmission shaft: likely to become detached
  • A transmission shaft bearing: excessively worn
  • A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
  • A transmission shaft bearing: likely to break up
Equipment
▲ 26.7% better
1.1 faults / 100 tests
Year avg: 1.5 / 100 tests
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • Seat belt buckle missing, damaged or not functioning as intended
  • Seat belt buckle missing, damaged or not functioning as intended
  • Seat belt not functioning as intended or of an incorrect type
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▲ 29.6% better
1.9 faults / 100 tests
Year avg: 2.7 / 100 tests
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction
  • Any part of the noise suppression system: insecure
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Exhaust noise levels in excess of those permitted

Fault rate by mileage segment

Model    Year average
0 460 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: 1,426
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 597
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 390
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 142
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 132
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 131
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 124
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 114
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 101
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 100

Serious faults (Top 10)

Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 132
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 131
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 124
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 61
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 39
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 28
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 24
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 23
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 21
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 17