BMW 420I M Sport Pro Edition Auto
From 717 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are a tyre seriously damaged, tyre tread depth not in accordance with the requirements and a tyre cords visible or damaged. The top issue, a tyre seriously damaged, caused 16 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a tyre seriously damaged | 16 |
| tyre tread depth not in accordance with the requirements | 16 |
| a tyre cords visible or damaged | 6 |
| wiper blade missing or obviously not clearing the windscreen | 4 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 4 |
| a tyre has a lump, bulge or tear caused by separation or partial failure of its structure. this includes any lifting of the tread rubber | 2 |
| brake performance unable to be tested | 2 |
| a wheel with a loose or missing wheel nut, bolt or stud | 2 |
| obligatory mirror or device slightly damaged or loose | 1 |
| flexible brake hose excessively damaged, chafed, twisted or stretched | 1 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 91.1% | tyre tread depth not in accordance with the requirements, a tyre seriously damaged |
Typical mileage
Half of all 420I M Sport Pro Edition Autos tested had between 15,432 and 31,645 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 23,277 median miles, the 420I M Sport Pro Edition Auto has 0.038 failures per 10,000 miles driven.
Other BMW models
| BMW 3 Series | 79.2% |
| BMW 118 | 82.8% |
| BMW 116 | 78.9% |
| BMW X5 | 85.4% |
| BMW X3 | 83.9% |
Common questions
What is the BMW 420I M Sport Pro Edition Auto MOT pass rate?
The BMW 420I M Sport Pro Edition Auto has a 91.2% MOT pass rate based on 717 real MOT tests. This is above the national average.
What are common MOT failures on a BMW 420I M Sport Pro Edition Auto?
The most common MOT failure on the BMW 420I M Sport Pro Edition Auto is a tyre seriously damaged, which caused 16 failures. Other common issues include tyre tread depth not in accordance with the requirements.
What is the typical mileage of a BMW 420I M Sport Pro Edition Auto at MOT?
The median mileage at MOT for a BMW 420I M Sport Pro Edition Auto is 23,277 miles. The middle 50% of vehicles tested have between 15,432 and 31,645 miles.
Buying a used 420I M Sport Pro Edition Auto?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
Some links are to services we may earn from. Disclosure.
MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.