BMW 840I Auto MOT pass rate: 86.1% (1,608 tests, 2025)

Name: BMW 840I Auto MOT statistics 2025
Creator: OBDCode UK
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

Last updated 24 August 2026 · OBDCode UK editorial

The BMW 840I Auto passed 86.1% of its 1,608 MOT tests in 2025 — 8.6 points above the UK average of 77.5%. The median tested example was 5 years old with 36,066 miles on the clock.

86.1%Pass rate (2025)

1,608MOT tests analysed

36,066 miMedian mileage at test

5 yrsMedian age at test

How the 840I Auto compares

BMW 840I Auto

86.1%

UK average (all Class 4 vehicles)

77.5% across 33.1 million tests

BMW average (all models)

83.0%

What fails most on the BMW 840I Auto

Across failed and rectified tests in 2025, these vehicle systems produced the most defects on the 840I Auto:

#	System	Defects recorded	Share
1	Tyres	263	100.0%

Pre-MOT checklist for 840I Auto owners

Based on the failure profile above, ten minutes with a torch before your test removes the most likely fail items:

Check tread with the 20p test and inspect sidewalls for cracking — tyres close to the limit are the country’s most common advisory

Engine management light on?

An illuminated engine management light is a Major MOT defect. Read the code, repair the cause, then confirm the light stays off — clearing a code alone is not a repair.

Understand the engine management light and MOT rules →

840I Auto pass rate by registration year

Registration year	Tests	Pass rate	Vs same-age	Median mileage	Pass-rate bar
2020	3,767	87.7%	-2.2 pts	27,609	87.7% visual scale

Same-vehicle follow-up

The defect groups above are a single-year count. The prognosis registry follows the same vehicle_id into the next MOT year. The extracts do not record the repair, a turbo part number, or a gearbox type.

Tyres: advisory follow-up · did the same fail item hold

Check a specific 840I Auto before you buy

Pass rates describe the model; they can’t tell you about the one car you’re looking at. Run its plate through our free MOT history check to see its personal record of failures, advisories and mileage readings.

Other BMW models

3 Series77.7% pass rate · 346,191 tests 11883.0% pass rate · 151,434 tests X185.0% pass rate · 105,826 tests 11678.5% pass rate · 100,371 tests X383.1% pass rate · 88,755 tests 1 Series81.7% pass rate · 77,207 tests X582.4% pass rate · 76,168 tests 5 Series85.7% pass rate · 71,923 tests

FAQs

What is the MOT pass rate for a BMW 840I Auto?

In 2025, 86.1% of 1,608 first MOT tests on the BMW 840I Auto were passes (UK average: 77.5%). Data: DVSA anonymised MOT results.

What does the 840I Auto fail its MOT on most?

The biggest defect group is tyres (100.0% of its recorded defects, 263 recorded) across 1,608 first MOT tests.

Is the BMW 840I Auto reliable?

MOT pass rate is one lens on durability: at 86.1% it performs above the national average at a median age of 5 years and 36,066 miles. Always check the individual car's history too.

Before you agree to the work

A fault or an advisory is a quote waiting to happen. These pages set out what a garage has to tell you, what a comparable written quote should include, and what you can do if the bill is not what you agreed.

Estimates, quotes and extra work — what a price has to cover, and when a garage may charge more than it first said.
What a diagnostic test costs — what the fee should include, and when it should come off the repair.
Tools — when to buy and when to skip — how to choose a diagnostic tool, and when a garage visit is cheaper than owning one.
Choosing a garage you can check — what to verify before you hand over the keys.
Your rights after a car repair — what to do when the work is not right, and how to put it in writing.

Source: DVSA Anonymised MOT tests and results, 2025 extract (Class 4 initial tests only; retests excluded). Contains public sector information licensed under the Open Government Licence v3.0. Figures rounded to one decimal place.