Bmw 118 vs Bmw 630i: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Bmw 118
81%
MOT pass rate · 195,122 vehicles
Bmw 630i
87%
MOT pass rate · 27 vehicles
Verdict: On MOT pass rate the Bmw 118 (81%) and Bmw 630i (87%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Bmw 118 | Bmw 630i |
|---|---|---|
| MOT pass rate | 81% | 87% ✓ |
| MOT failure rate | 19% | 13% ✓ |
| Faults & advisories per test | 1.5 | 0.8 ✓ |
| Dangerous-fault share | 4% | 0% ✓ |
| Average mileage | 85,676 mi | 106,654 mi |
| Sample size (vehicles) | 195,122 | 27 |
Most common faults
Bmw 118
- 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))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- 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)
Bmw 630i
- FRONT TYRES WORN ON EDGE & CRACKING ON TREADS
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement front (5.3.4 (a) (i))
- Offside Front Inner Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Offside Front Suspension arm pin or bush worn but not resulting in excessive movement front (5.3.4 (a) (i))
- Offside Rear Exhaust has a minor leak of exhaust gases (6.1.2 (a))
Reliability FAQ
On MOT pass rate the Bmw 118 (81%) and Bmw 630i (87%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Bmw 118 report Full Bmw 630i 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.