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BMW 1 Series body and structure problems

DVSA MOT tests 2022–2025 · 134,096 MOT tests · Updated

At 9 years, 0.7 in 100 MOT tests of the BMW 1 Series failed on body and structure, against 2.3 for all class 4 vehicles the same age (all test years; 134,096 MOT tests) [1].

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  • Against all class 4 vehicles the same age: fails less often than all class 4 vehicles the same age (0.3× (0.27–0.31×)) (all test years), 895 MOT tests with a fail
  • By age: seen at 19 ages from 3 to 21 years, 1,589,384 MOT tests
  • MOT tests at 9 years: 134,096 for the BMW 1 Series

Figures are for the model as a whole, not for one car.

What the MOT tests show

What we know

0.7 fails per 100 MOT tests at 9 years, against 2.3 for all class 4 vehicles tested at 9 (all test years). The BMW 1 Series fails less often here.

Why it matters

A body and structure fail stops the car passing until it is fixed.

What to check

Look under the sills, jacking points and rear subframe for rot, bubbling or fresh underseal over a repair, and check every door, bonnet and boot shuts properly.

BMW 1 Series body and structure fails by age

BMW 1 Series body and structure fails per 100 MOT tests by ageSolid line: the BMW 1 Series. Dashed line: all cars the same age. The table below lists every value.05103 years: 0.2 per 100 (all cars 0.3), 89,393 MOT tests34 years: 0.2 per 100 (all cars 0.3), 101,480 MOT tests5 years: 0.2 per 100 (all cars 0.5), 114,613 MOT tests56 years: 0.2 per 100 (all cars 0.8), 122,018 MOT tests7 years: 0.4 per 100 (all cars 1.3), 125,818 MOT tests78 years: 0.5 per 100 (all cars 1.8), 129,648 MOT tests9 years: 0.7 per 100 (all cars 2.3), 134,096 MOT tests910 years: 0.8 per 100 (all cars 2.9), 131,198 MOT tests11 years: 1.0 per 100 (all cars 3.5), 122,003 MOT tests1112 years: 1.5 per 100 (all cars 4.3), 114,955 MOT tests13 years: 2.0 per 100 (all cars 5.0), 98,293 MOT tests1314 years: 2.6 per 100 (all cars 5.9), 84,872 MOT tests15 years: 3.0 per 100 (all cars 6.7), 71,791 MOT tests1516 years: 3.0 per 100 (all cars 7.6), 56,969 MOT tests17 years: 2.8 per 100 (all cars 8.3), 43,121 MOT tests1718 years: 2.7 per 100 (all cars 8.7), 27,087 MOT tests19 years: 2.7 per 100 (all cars 9.0), 14,804 MOT tests1920 years: 2.4 per 100 (all cars 9.2), 6,090 MOT tests21 years: 2.6 per 100 (all cars 9.3), 1,135 MOT tests21
Fails per 100 MOT tests by age, all first-use years pooled. BMW 1 Series All class 4 vehicles the same age Shaded: over 18 years, survivors only.
AgeMOT testsFails per 100All class 4 vehicles the same age
389,3930.20.3
4101,4800.20.3
5114,6130.20.5
6122,0180.20.8
7125,8180.41.3
8129,6480.51.8
9134,0960.72.3
10131,1980.82.9
11122,0031.03.5
12114,9551.54.3
1398,2932.05.0
1484,8722.65.9
1571,7913.06.7
1656,9693.07.6
1743,1212.88.3
1827,0872.78.7
19*14,8042.79.0
20*6,0902.49.2
21*1,1352.69.3

All first-use years of the BMW 1 Series pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years. * Only survivors are still tested at this age.

What fails in the body and structure at 9 years

Advisories (not fails)

Replace leaking exhaust section cost

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By engine and fuel

  • 2.0 diesel: 0.6 per 100 at 9 years, fails less often than diesel class 4 vehicles the same age (0.2× (0.19–0.24×)) (all test years; 56,430 MOT tests)
  • 1.5 petrol: 0.3 per 100 at 9 years, about average for petrol class 4 vehicles the same age (all test years; 11,838 MOT tests)
  • 1.6 petrol: 0.4 per 100 at 9 years, about average for petrol class 4 vehicles the same age (all test years; 24,337 MOT tests)
  • 1.5 diesel: 1.5 per 100 at 9 years, fails less often than diesel class 4 vehicles the same age (0.5–0.6×) (all test years; 20,618 MOT tests)
  • 2.0 petrol: 0.2 per 100 at 9 years, about average for petrol class 4 vehicles the same age (all test years; 1,959 MOT tests)
  • 3.0 petrol: 0.4 per 100 at 9 years, about average for petrol class 4 vehicles the same age (all test years; 7,793 MOT tests)

How to check on a test drive

Look under the sills, jacking points and rear subframe for rot, bubbling or fresh underseal over a repair, and check every door, bonnet and boot shuts properly.

The most common advisory here in MOT records: Exhaust system: has a minor leak of exhaust gases.

Check one BMW 1 Series, not the average

The figures here describe BMW 1 Series cars as a group. These free tools answer for one car. Each line says what the tool reads.

Other BMW 1 Series problems

Body and structure on rival models

Questions people ask

Does the BMW 1 Series have more body and structure problems than other cars?

0.27 to 0.31 times the body and structure fail rate of all class 4 vehicles the same age at 9 years (all test years), from 134,096 MOT tests. The interval is clear of 0.8 in the same direction at 16 of the 19 ages seen (ages up to 18 with at least 100 MOT tests with a fail).

How common are BMW 1 Series body and structure problems?

0.7 in 100 MOT tests at 9 years failed on body and structure, against 2.3 for all class 4 vehicles the same age (all test years; 134,096 MOT tests).

Sources

  1. Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 1,589,384 MOT tests. Accessed 7 Oct 2026.

Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare