BMW 840I MOT reliability

BMW 840Is passed their MOT first time 86% of the time across 3,994 tests in 2025.

First-time pass rate

86%

MOTs analysed

3,994

Still licensed (GB)

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Body type

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Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age.

In detail:

First registered

2020 petrol

1,327 MOTs

Passed first time 85%. Typical mileage 35,386 (most between 26,371 and 46,365).

2022: 96% → 2023: 86% → 2024: 88% → 2025: 85%

Most common failures

Condition: has ply or cords exposed (4.4%)
Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (3.2%)
Condition: has a bulge, caused by separation or partial failure of its structure (2.3%)
Condition: has a tear, caused by separation or partial failure of its structure (1.4%)
Tread depth below requirements of 1.6mm (1.3%)

Where 2020 840Is fail

Wheels & tyres

11.9%

Lights & electrics

1.4%

Visibility & wipers

1.0%

Brakes

0.7%

Body, structure & corrosion

0.3%

Exhaust, emissions & leaks

0.3%

Seat belts & other equipment

0.1%

Suspension & axles

0.1%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.