2017 BMW 4 Series: MOT pass rate and common faults
Share of initial MOT tests passed with no repairs. Repairs made at the test centre count as a fail. 95% range 83.9% to 85.0% (±0.6 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.
Check a specific 4 Series
Failure areas compared with all 2017 vehicles
Compared with all vehicles first used in 2017, failures are more common in tyres (1.3×), and less common in lights and electrics (0.4×), suspension (0.4×), brakes (0.5×), windscreen, wipers, mirrors (0.5×) and noise, emissions, leaks (0.2×). Other differences are within the margin of error.
- Tyres7.8 in 100 tests1.3× compared with 5.9 in 100 for all vehicles first used in 2017
- Lights and electrics2.5 in 100 tests0.4× compared with 5.9 in 100 for all vehicles first used in 2017
- Suspension2.4 in 100 tests0.4× compared with 5.7 in 100 for all vehicles first used in 2017
- Brakes2.3 in 100 tests0.5× compared with 4.2 in 100 for all vehicles first used in 2017
- Windscreen, wipers, mirrors1.8 in 100 tests0.5× compared with 3.3 in 100 for all vehicles first used in 2017
- Wheels1.1 in 100 tests– no reliable figure for all vehicles first used in 2017
- Noise, emissions, leaks0.5 in 100 tests0.2× compared with 2.0 in 100 for all vehicles first used in 2017
- Number plates and VIN0.4 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 –.
After an MOT advisory
Tyres
Of 2017 BMW 4 Series cars that passed their 2024 MOT with a tyre advisory and came back for their next MOT 10–14 months later, 10.9% failed on tyres, against 6.9% of similar cars with nothing noted. Based on 2,119 and 8,651 cars.
Cars not tested again in that window are not included: 12.9% of those with a tyre advisory and 11.8% of the others.
Brakes
Of 2017 BMW 4 Series cars that passed their 2024 MOT with a brake advisory and came back for their next MOT 10–14 months later, 5.1% failed on brakes, against 1.7% of similar cars with nothing noted. Based on 1,356 and 9,412 cars.
Cars not tested again in that window are not included: 13.4% of those with a brake advisory and 11.8% of the others.
Not enough 2017 BMW 4 Series cars with a suspension advisory to show a figure for this year alone.
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 4 Series, all first-use years togetherHow we worked this outAll models compared, with the dataWhat MOT data can't tell you about any 2017 BMW 4 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