BMW 645 MOT reliability

BMW 645s passed their MOT first time 71% of the time across 1,469 tests in 2025.

First-time pass rate

71%

MOTs analysed

1,469

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

2005 petrol

459 MOTs

Passed first time 70%. Typical mileage 100,602 (most between 75,115 and 123,919).

2007: 91% → 2008: 83% → 2009: 79% → 2010: 81% → 2011: 78% → 2012: 78% → 2013: 74% → 2014: 72% → 2015: 72% → 2016: 68% → 2017: 68% → 2018: 66% → 2019: 66% → 2020: 68% → 2021: 67% → 2022: 72% → 2023: 70% → 2024: 73% → 2025: 70%

Most common failures

Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt (4.1%)
Position lamp: not working (3.7%)
Rbt (sp): efficiency below requirements (3.7%)
Coil spring: fractured or broken (3.3%)
Malfunction indicator lamp: inoperative or indicates a malfunction (3.1%)

Where 2005 645s fail

Suspension & axles

12.6%

Lights & electrics

10.2%

Brakes

7.8%

Exhaust, emissions & leaks

5.4%

Visibility & wipers

5.2%

Wheels & tyres

4.6%

Seat belts & other equipment

2.4%

Steering

2.2%

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.