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Bmw 118 vs Bmw M: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Bmw 118
81%
MOT pass rate · 195,122 vehicles
More reliable
Bmw M
79%
MOT pass rate · 98 vehicles
Verdict: On MOT pass rate, the Bmw 118 is the more reliable of the two — 81% pass first time versus 79%. It's one signal among several; check the full breakdown below.

Head to head

Measure Bmw 118 Bmw M
MOT pass rate 81% ✓ 79%
MOT failure rate 19% ✓ 21%
Faults & advisories per test 1.5 1.3 ✓
Dangerous-fault share 4% 0% ✓
Average mileage 85,676 mi 93,249 mi
Sample size (vehicles) 195,122 98

Most common faults

Bmw 118

  1. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Bmw M

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Nearside Rear Brake pipe slightly corroded (3.6.B.2c)
  5. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Reliability FAQ

On MOT pass rate, the Bmw 118 is the more reliable of the two — 81% pass first time versus 79%. It's one signal among several; check the full breakdown below.

Full Bmw 118 report Full Bmw M report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.