Bmw 520 vs Bmw Fraser nash: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Bmw 520
78%
MOT pass rate · 156,398 vehicles
Bmw Fraser nash
88%
MOT pass rate · 26 vehicles
Verdict: On MOT pass rate the Bmw 520 (78%) and Bmw Fraser nash (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Bmw 520 | Bmw Fraser nash |
|---|---|---|
| MOT pass rate | 78% | 88% ✓ |
| MOT failure rate | 22% | 12% ✓ |
| Faults & advisories per test | 1.6 | 0.6 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 134,460 mi | 32,921 mi |
| Sample size (vehicles) | 156,398 | 26 |
Most common faults
Bmw 520
- 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)
- 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))
- Under-trays fitted obscuring some underside components
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Bmw Fraser nash
- n/s handbrake low efficiency
- Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Offside Front Front wheel bearing has slight play (2.5.A.3c)
- hand brake cable / linkage intermittently hitting on exhaust pipe req's attention.
- Nearside front brake binding (3.7.B.1)
- Nearside rear brake binding (3.7.B.1)
Reliability FAQ
On MOT pass rate the Bmw 520 (78%) and Bmw Fraser nash (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Bmw 520 report Full Bmw Fraser nash 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.