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MOT reliability

Bmw 4 series

1,531 vehicles · 14,513 completed MOT tests analysed
86%
MOT pass rate

Based on 1,531 Bmw 4 series vehicles and 14,513 completed MOT tests, the Bmw 4 series has an overall 86% pass rate, with an average recorded mileage of 85,218 miles.

1,531
Vehicles
14,513
MOT tests
7,858
Avg miles / year
1.1
Faults per test
7%
Dangerous-fault share

Bmw 4 series problem areas

Where faults occur most across all Bmw 4 series MOT tests:

  • Tyres, wheels & suspension42%
  • Other28%
  • Brakes21%
  • Visibility4%
  • Lamps & electrical3%
  • Emissions & nuisance2%
  • Steering1%
  • Identification & plates1%

Bmw 4 series pass rate by age

How the Bmw 4 series's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
11493%
239995%
31,65589%
41,52891%
51,51988%
61,51786%
71,45886%
81,38886%
91,30684%
101,26283%
111,21182%
1293582%
1330183%
14250%
151100%
161100%
171100%
18250%

Fuel types: Diesel (801), Petrol (722), Electric (8)

Most common Bmw 4 series MOT faults

These are the faults and advisories recorded most often across Bmw 4 series MOT tests:

  1. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (600 times)
  2. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (578 times)
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (410 times)
  4. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii)) (399 times)
  5. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (395 times)
  6. Offside Front Play in steering rack inner joint(s) (352 times)
  7. Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (250 times)
  8. Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (229 times)
  9. Offside Play in steering rack inner joint(s) (215 times)
  10. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (166 times)
  11. Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (151 times)
  12. Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (123 times)
  13. Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) (118 times)
  14. Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (117 times)
  15. Offside Rear Shock absorbers has light misting of oil (5.3.2 (b)) (105 times)

Bmw 4 series pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2023 3 3 100% 30,825
2022 9 11 91% 26,814
2021 3 4 75% 38,363
2020 1 2 100% 18,391
2019 50 242 91% 37,854
2018 126 723 92% 32,593
2017 74 391 92% 50,265
2016 29 158 91% 65,596
2015 58 388 85% 71,673
2014 386 3,827 86% 87,212
2013 790 8,745 86% 100,510
2000 1 17 76% 238,793

Bmw 4 series reliability FAQ

Across 1,531 Bmw 4 series vehicles in our MOT data, 86% pass the MOT (a 14% failure rate), with about 1.1 faults or advisories recorded per test.

The most frequently recorded Bmw 4 series MOT issues are: Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)).

The typical Bmw 4 series in our data has covered around 85,218 miles.

Compare the Bmw 4 series

See how the Bmw 4 series stacks up against other Bmw models on MOT reliability:

4 series vs 3 series 4 series vs 118 4 series vs 316 4 series vs 520

Check a specific Bmw 4 series

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Bmw models · Learn about common MOT failures · what an MOT checks