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Bmw 220 i vs Bmw 520: reliability comparison

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

Bmw 220 i
92%
MOT pass rate · 2 vehicles
Bmw 520
78%
MOT pass rate · 156,398 vehicles
Verdict: On MOT pass rate the Bmw 220 i (92%) and Bmw 520 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Bmw 220 i Bmw 520
MOT pass rate 92% ✓ 78%
MOT failure rate 8% ✓ 22%
Faults & advisories per test 0.5 ✓ 1.6
Dangerous-fault share 17% 3% ✓
Average mileage 70,031 mi 134,460 mi
Sample size (vehicles) 2 156,398

Most common faults

Bmw 220 i

  1. Nearside Rear Tyre worn close to legal limit/worn on edge @3 mm (5.2.3 (e))
  2. Offside Rear Tyre worn close to legal limit/worn on edge @3 mm (5.2.3 (e))
  3. 245/35R18 BRIDGESTONE POTENZA RE050A RFT
  4. Offside Rear Tyre worn close to legal limit/worn on edge 2.06mm (5.2.3 (e))
  5. Parking brake efficiency below requirements (1.4.2 (a) (i))
  6. Nearside Rear Tyre has ply or cords exposed INNER SHOULDER (5.2.3 (d) (ii))

Bmw 520

  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 Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Under-trays fitted obscuring some underside components
  6. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Bmw 220 i (92%) and Bmw 520 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Bmw 220 i report Full Bmw 520 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.