BMW 730 MOT reliability

BMW 730s passed their MOT first time 83% of the time across 8,593 tests in 2025.

First-time pass rate

83%

MOTs analysed

8,593

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. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

2018 diesel

618 MOTs

Passed first time 91%. Typical mileage 70,832 (most between 52,075 and 96,858).

2018: 100% → 2019: 96% → 2020: 97% → 2021: 90% → 2022: 92% → 2023: 91% → 2024: 92% → 2025: 91%

Most common failures

Malfunction indicator lamp: inoperative or indicates a malfunction (1.6%)
Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (1.3%)
Condition: fractured (1.0%)
Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt (0.8%)
Tread depth below requirements of 1.6mm (0.8%)

Where 2018 730s fail

Wheels & tyres

4.2%

Exhaust, emissions & leaks

1.6%

Visibility & wipers

1.5%

Body, structure & corrosion

1.1%

Brakes

0.8%

Lights & electrics

0.8%

Suspension & axles

0.8%

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.