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2017 BMW 3 Series: MOT pass rate and common faults

30,410 initial MOT tests in 2025 on cars first used in 2017 · DVSA data · For guidance only · How we count

84.4%passed first time

Share of initial MOT tests passed with no repairs. Repairs made at the test centre count as a fail. 95% range 84.0% to 84.8% (±0.5 points).

That is 6.2 points above the average for all vehicles first used in 2017 (78.2%). These cars were about 8 years old at the test.

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Failure areas compared with all 2017 vehicles

Compared with all vehicles first used in 2017, failures are more common in tyres (1.1×), and less common in lights and electrics (0.6×), suspension (0.5×), brakes (0.6×), windscreen, wipers, mirrors (0.6×) and noise, emissions, leaks (0.4×). Other differences are within the margin of error.

Failed tests with a fault in each area, per 100 tests. The right-hand column shows how many times as often as all vehicles first used in 2017.

  1. Tyres6.5 in 100 tests1.1× compared with 5.9 in 100 for all vehicles first used in 2017
  2. Lights and electrics3.3 in 100 tests0.6× compared with 5.9 in 100 for all vehicles first used in 2017
  3. Suspension3.0 in 100 tests0.5× compared with 5.7 in 100 for all vehicles first used in 2017
  4. Brakes2.5 in 100 tests0.6× compared with 4.2 in 100 for all vehicles first used in 2017
  5. Windscreen, wipers, mirrors1.9 in 100 tests0.6× compared with 3.3 in 100 for all vehicles first used in 2017
  6. Wheels0.9 in 100 tests– no reliable figure for all vehicles first used in 2017
  7. Noise, emissions, leaks0.8 in 100 tests0.4× compared with 2.0 in 100 for all vehicles first used in 2017
  8. Number plates and VIN0.3 in 100 tests– no reliable figure for all vehicles first used in 2017
  9. Body, chassis, structure0.2 in 100 tests– no reliable figure for all vehicles first used in 2017
  10. Seat belts and airbags0.2 in 100 tests– no reliable figure for all vehicles first used in 2017
  11. Steering0.2 in 100 tests– no reliable figure for all vehicles first used in 2017

All vehicles first used in 2017: the 240 models in our data, 2,515,956 tests (97.6% of all 2,578,403 tests on vehicles first used in 2017). Areas with fewer than 50 failures in a model aren't published, so an area is only compared when that leaves the all-vehicles figure at most 10% short; otherwise it shows –.

Typical mileage at test75,600

Median odometer reading at the 2025 MOT test, in miles. Half had more and half had less.

After an MOT advisory

2017 BMW 3 Series cars that passed their 2024 MOT first time with an advisory, and what their next MOT found, against similar cars that passed with nothing noted in that area. Only cars first used in 2017.

Tyres

Of 2017 BMW 3 Series cars that passed their 2024 MOT with a tyre advisory and came back for their next MOT 10–14 months later, 8.8% failed on tyres, against 5.6% of similar cars with nothing noted. Based on 3,748 and 15,398 cars.

  • With a tyre advisory8.8%
  • Similar cars, nothing noted5.6%

Cars not tested again in that window are not included: 12.8% of those with a tyre advisory and 11.0% of the others.

Brakes

Of 2017 BMW 3 Series cars that passed their 2024 MOT with a brake advisory and came back for their next MOT 10–14 months later, 5.6% failed on brakes, against 1.7% of similar cars with nothing noted. Based on 2,338 and 16,803 cars.

  • With a brake advisory5.6%
  • Similar cars, nothing noted1.7%

Cars not tested again in that window are not included: 12.4% of those with a brake advisory and 11.2% of the others.

Suspension

Of 2017 BMW 3 Series cars that passed their 2024 MOT with a suspension advisory and came back for their next MOT 10–14 months later, 7.5% failed on suspension, against 2.7% of similar cars with nothing noted. Based on 1,084 and 17,742 cars.

  • With a suspension advisory7.5%
  • Similar cars, nothing noted2.7%

Cars not tested again in that window are not included: 13.6% of those with a suspension advisory and 11.2% of the others.

Similar cars are the same model, first-use year and mileage band. Areas are the DVSA's top-level groups, so the later fail may not be the fault that was advised. These figures describe what happened to these cars. They don't show what a repair would have changed.

BMW 3 Series, all first-use years togetherHow we worked this outAll models compared, with the data

What MOT data can't tell you about any 2017 BMW 3 Series

Outstanding finance, write-offs, theft and plate changes aren't in MOT records. For a particular car, you need a history check.

Compare history checksWhat MOT history doesn't show

Other BMW 3 Series years

BMW 3 Series: every year, common faults and what to check

Other cars first used in 2017

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