Photo: Vauxford, CC BY-SA 4.0
BMW
330i M Sport Auto
1,607 MOT tests analysed. sits above the UK fleet average — here's where 330i M Sport Autos pass, fail, and end up on the retest sheet.
That's 13.7 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
91.2%
Pass-after-fix
1.3%
Fail
7.2%
Avg miles
26,414
Pass + Pass-after-fix + Fail = 100%
Petrol cars first registered from January 2006 meet Euro 4 — compliant in London ULEZ, Birmingham CAZ, Bristol CAZ, and Glasgow LEZ.
The picture
330i M Sport Auto: a strong MOT record by UK norms
Across 1,607 MOT tests, the 330i M Sport Auto returns 91.2% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a seriously damaged tyre. Tyre tread under the limit and windscreen damage round out the top three. Average tested mileage sits at 26,414, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
Top ten reasons for rejection.
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- 01
A tyre seriously damaged
32 occurrences · 2.0% of tests
- 02
Tyre tread depth not in accordance with the requirements
23 occurrences · 1.4% of tests
- 03
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
16 occurrences · 1.0% of tests
- 04
A tyre seriously damaged
14 occurrences · 0.9% of tests
- 05
A tyre cords visible or damaged
10 occurrences · 0.6% of tests
- 06
Number plate does not conform to the specified requirements
9 occurrences · 0.6% of tests
- 07
Wiper blade defective
8 occurrences · 0.5% of tests
- 08
The aim of a headlamp is not within limits laid down in the requirements
4 occurrences · 0.2% of tests
- 09
A suspension pin, bush or joint excessively worn
4 occurrences · 0.2% of tests
- 10
A wheel with a loose or missing wheel nut, bolt or stud
4 occurrences · 0.2% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
Worst-case fix budget · top 2 failures
£120–£190
If every one of this 330i M Sport Auto's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Tools that pre-empt a retest.
Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.
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Buying or keeping a 330i M Sport Auto?
Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own a 330i M Sport Auto and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.