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Bmw 3 series vs Bmw I5 edrive40 m sport: reliability comparison

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

Bmw 3 series
75%
MOT pass rate · 996,044 vehicles
Bmw I5 edrive40 m sport
97%
MOT pass rate · 3,964 vehicles
Verdict: On MOT pass rate the Bmw 3 series (75%) and Bmw I5 edrive40 m sport (97%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Bmw 3 series Bmw I5 edrive40 m sport
MOT pass rate 75% 97% ✓
MOT failure rate 25% 3% ✓
Faults & advisories per test 2.0 0.2 ✓
Dangerous-fault share 2% ✓ 10%
Average mileage 128,558 mi 28,889 mi
Sample size (vehicles) 996,044 3,964

Most common faults

Bmw 3 series

  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. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Under-trays fitted obscuring some underside components
  6. Oil leak, but not excessive (8.4.1 (a) (i))

Bmw I5 edrive40 m sport

  1. Nearside Front Track rod end ball joint has slight play (2.1.3 (b) (i))
  2. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Nearside Front Tyre worn close to legal limit/worn on edge Outer edge (5.2.3 (e))
  6. Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Bmw 3 series (75%) and Bmw I5 edrive40 m sport (97%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Bmw 3 series report Full Bmw I5 edrive40 m sport 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.