BMW I4 M50
From 228 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 7 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 | 7 |
| tyre tread depth not in accordance with the requirements | 3 |
| a tyre cords visible or damaged | 2 |
| a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 1 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2022 | 97.8% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
Typical mileage
Half of all I4 M50s tested had between 18,381 and 35,007 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 22,532 median miles, the I4 M50 has 0.035 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 I4 M50 MOT pass rate?
The BMW I4 M50 has a 92.1% MOT pass rate based on 228 real MOT tests. This is above the national average.
What are common MOT failures on a BMW I4 M50?
The most common MOT failure on the BMW I4 M50 is a tyre seriously damaged, which caused 7 failures. Other common issues include tyre tread depth not in accordance with the requirements.
What is the typical mileage of a BMW I4 M50 at MOT?
The median mileage at MOT for a BMW I4 M50 is 22,532 miles. The middle 50% of vehicles tested have between 18,381 and 35,007 miles.
Buying a used I4 M50?
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.
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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.