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Bmw I3 - 2018

89.8 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 I3, model year 2018. Sample size: 3,352 cars, 6,760 tests and 6,071 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 3,352 cars

The 2018 BMW i3 has a significantly lower overall defect rate of 90 defects per 100 vehicles, compared to the average of 120 defects per 100, making it 25% better than similar models. Notably, the i3 excels in several categories, including brakes and steering, where it shows impressive reductions in defect rates compared to the average. While mileage trends reveal a slight increase in defects with higher mileage, the i3 remains consistent, particularly within the lower mileage segments. Overall, this model stands out for its reliability in key areas, demonstrating effective engineering and design.

Cars by mileage segment

Total: 3,352 cars

More model years for Bmw I3

2013 2014 2015 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
▲ 59.9% better
27.6 faults / 100 tests
Year avg: 68.8 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
  • Brake lining or pad: worn below 1.5mm
  • Brake lining or pad: worn below 1.5mm
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 90.0% better
0.5 faults / 100 tests
Year avg: 5.0 / 100 tests
  • 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
  • Excessive roughness in operation of steering
  • Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
Visibility
▲ 25.9% better
10.3 faults / 100 tests
Year avg: 13.9 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
  • 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
▲ 67.6% better
5.7 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
  • A lamp: not securely attached
  • 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 headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▼ 4.3% worse
132.1 faults / 100 tests
Year avg: 126.7 / 100 tests
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • Tyre tread depth not in accordance with the requirements
  • Tyre tread depth not in accordance with the requirements
  • A wheel: badly distorted or wear between wheel and hub at spigot mounting
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 90.2% better
0.5 faults / 100 tests
Year avg: 5.1 / 100 tests
  • Exhaust system has a major leak or is insecure
  • A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
  • A door will not open using the relevant control or close properly
  • A driver’s seat: fore and aft adjustment mechanism not working as intended
  • Fuel tank, pipe or hose: insecure
Equipment
▼ 9.1% worse
2.4 faults / 100 tests
Year avg: 2.2 / 100 tests
  • A seat belt:
  • A seat belt: or flexible stalk damaged
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt: or flexible stalk damaged
Other
▲ 91.4% better
0.6 faults / 100 tests
Year avg: 7.0 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Emissions test unable to be completed
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 355 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: 1,790
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,549
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 506
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 281
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 228
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 179
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 151
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 132
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 127
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 125

Serious faults (Top 10)

Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 179
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 151
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 127
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 66
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 30
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 27
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 22
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 21
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 16
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 16