BMW 523 reliability
MOT pass rates & common faults · 4,315 real DVSA tests · 2024
Across 4,315 real DVSA MOT tests in 2024, 66% of BMW 523 cars aged 13 years and older pass their MOT first time — ahead of the 61% average for all cars of that age. The faults that come up more than usual are in seat belts.
MOT pass rate by age
Where the 523 tends to fail
Share of BMW 523 cars aged 13 years and older with no fault in each area (higher is better). The tick is the fleet average for the same age.
Fails more often than average on seat belts. Holds up better than average on body & structure, lights & electrics, suspension.
Common questions
Is the BMW 523 reliable?
On 2024 MOT data the BMW 523 holds up well for its age: 66% of examples aged 13 years and older pass first time, against a 61% fleet average. That puts it ahead of 57% of similar-age models. Give seat belts a close look on any one you view.
What is the MOT pass rate for a BMW 523?
First-time MOT pass rates for the BMW 523 in 2024: 13 years and older, 66%. Pass rates fall with age across the whole fleet, so compare each figure with cars of the same age, not with a new car.
What commonly fails on a BMW 523 MOT?
For BMW 523 cars aged 13 years and older, the areas that fail an MOT more often than the fleet average are seat belts (2% of tests vs 1.3% fleet).