Bmw 3 series vs Bmw I4 edrive35 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 I4 edrive35 m sport
91%
MOT pass rate · 7,251 vehicles
Verdict: On MOT pass rate the Bmw 3 series (75%) and Bmw I4 edrive35 m sport (91%) 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 I4 edrive35 m sport |
|---|---|---|
| MOT pass rate | 75% | 91% ✓ |
| MOT failure rate | 25% | 9% ✓ |
| Faults & advisories per test | 2.0 | 0.7 ✓ |
| Dangerous-fault share | 2% ✓ | 4% |
| Average mileage | 128,558 mi | 22,748 mi |
| Sample size (vehicles) | 996,044 | 7,251 |
Most common faults
Bmw 3 series
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Under-trays fitted obscuring some underside components
- Oil leak, but not excessive (8.4.1 (a) (i))
Bmw I4 edrive35 m sport
- Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Outer 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 I4 edrive35 m sport (91%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Bmw 3 series report Full Bmw I4 edrive35 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.