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Bmw M3 - 2018

39.9 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 M3, model year 2018. Sample size: 1,197 cars, 3,318 tests and 1,325 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,197 cars

The 2018 BMW M3 has a significantly lower overall defect rate, with 40 defects per 100 vehicles compared to the average of 120 defects per 100 vehicles, marking a 67% improvement. Notably, the M3 performs exceptionally well in several key areas, particularly in brakes and steering, where it has 74% and 93% fewer defects than the average, respectively. Additionally, it shows strong results in visibility and lights & electrics, with lower defect rates than typical cars of the same year. However, the model does display a higher defect rate in the wheels, suspensions, and axles category, but overall, it stands out as a reliable choice in its class.

Cars by mileage segment

Total: 1,197 cars

More model years for Bmw M3

1995 1996 1997 1998 1999 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Other models from Bmw

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Categories

Brakes
▲ 75.1% better
17.1 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
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake lining or pad: worn below 1.5mm
  • Parking brake efficiency: below minimum requirement
Steering
▲ 94.0% better
0.3 faults / 100 tests
Year avg: 5.0 / 100 tests
  • A steering linkage component with: relative movement between components which should be fixed
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
  • A steering ball joint: worn to the extent there is a serious risk of detachment
Visibility
▲ 65.5% better
4.8 faults / 100 tests
Year avg: 13.9 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: defective
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Windscreen or window excessively tinted: but not adversely affecting driver’s view
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 83.5% better
2.9 faults / 100 tests
Year avg: 17.6 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
  • Stop lamp(s): with a multiple light source up to 1/2 not functioning
  • A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
  • Lamp: emitted colour, position or intensity not in accordance with the requirements
  • Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
Wheels & Suspension
▲ 58.9% better
52.1 faults / 100 tests
Year avg: 126.7 / 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 spring: or spring component fractured or seriously weakened
  • 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
▲ 92.2% better
0.4 faults / 100 tests
Year avg: 5.1 / 100 tests
  • Exhaust system has a major leak or is insecure
  • A body panel or body component: likely to become detached
  • A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 77.3% better
0.5 faults / 100 tests
Year avg: 2.2 / 100 tests
  • Seat belt buckle missing, damaged or not functioning as intended
  • Audible warning:
  • A seat belt:
Other
▲ 72.9% better
1.9 faults / 100 tests
Year avg: 7.0 / 100 tests
  • Exhaust noise levels in excess of those permitted
  • 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
  • Emissions levels exceed default limits
  • Lambda coefficient outside the default limits or the range specified by the manufacturer

Fault rate by mileage segment

Model    Year average
0 307 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: 322
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 153
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 141
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 116
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 66
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 50
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 44
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 43
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 37
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 31

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 116
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 44
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 43
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 21
A tyre fouling a part of the vehicle
FAIL
Occurrences: 12
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 12
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 9
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 4
Audible warning:
FAIL
Occurrences: 4
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 3