BMW
39,441 MOT tests analysed. sits above the UK fleet average — here's where M3s pass, fail, and end up on the retest sheet.
That's 12.2 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
89.7%
Pass-after-fix
2.1%
Fail
7.5%
Avg miles
75,847
Pass + Pass-after-fix + Fail = 100%
Trim variants
Performance by cohort
2 year bands · 39,431 tests
Pass rate climbs 6.0 points across the cohorts — newer M3 examples clear the test more reliably than the early cars.
Pass
89.5%
Fail
7.6%
PRS
2.2%
Avg mileage at test
77,178 mi
Pass
95.5%
Fail
3.8%
PRS
0.6%
Avg mileage at test
36,854 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.
The picture
The BMW M3 is a high-performance version of the BMW 3 Series, developed by BMW's in-house motorsport division, BMW M GmbH. M3 models have been produced for every generation of 3 Series since the E30 M3 was introduced in 1986.
MOT data from 17,399 tests puts this car on an 85.8% first-time pass rate, well above the UK fleet average. Average mileage at test is 78,089 miles. The most common fail item is cracked or discoloured windscreen, followed by tyre with exposed cords.
The BMW M3 offers superb driving dynamics combined with everyday comfort and practicality, plus the latest in infotainment and technology. It’s still the benchmark performance saloon car.
For used buyers, the M3's pass rate suggests it clears the MOT with fewer surprises than most — but the top failure items above are still worth a pre-purchase inspection, particularly on higher-mileage examples.
ABI Insurance Group
A high-group car — insurance costs will be significantly above average. Lower groups cost less to insure; UK fleet average is around Group 22.
Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →
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Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
504 occurrences · 1.3% of tests
A tyre cords visible or damaged
413 occurrences · 1.0% of tests
A spring or spring component fractured or seriously weakened
250 occurrences · 0.6% of tests
Tyre tread depth not in accordance with the requirements
240 occurrences · 0.6% of tests
A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources
235 occurrences · 0.6% of tests
A suspension joint dust cover severely deteriorated
173 occurrences · 0.4% of tests
Brake pipe damaged or excessively corroded
173 occurrences · 0.4% of tests
Lambda coefficient outside the default limits or the range specified by the manufacturer
171 occurrences · 0.4% of tests
A tyre seriously damaged
170 occurrences · 0.4% of tests
Significant brake effort recorded with no brake applied indicating a binding brake
149 occurrences · 0.4% 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 4 failures
£208–£465
If every one of this M3'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 →
Try the calculator
Build your own retest budget.
Year-band analysis
First-time MOT pass rate split by registration band. A 6.0-point gap between bands means the year you buy BMW M3 has a real effect on what turns up at the garage.
Best band to buy
95.5%
2018–2020 registration
the 2018–2020 band climbs to 95.5% — a 6.0-point improvement. Tests in this band average 36,854 miles — roughly 40K miles fewer on the clock than the older band. Failures here are mostly wear items: has ply or cords exposed, has a cut in excess of the… — the structural issues that drag down older examples don't appear in the top-10 for this band. The stricter post-2018 MOT test rules meant manufacturers had to tighten up emissions and electrical checks, but this band still shows far fewer major failures on suspension and bodywork than the older fleet.
Band to be cautious about
89.5%
Pre-2018 registration
On the older band (pre-2018), the data shows a 89.5% pass rate against a fleet average of 95.5% on the newer band. The main culprits logged at test: damaged but not adversely affecting driver's view, has ply or cords exposed, and fractured or broken. Average mileage on test for this band is 77,178 miles — high-mileage wear items are a recurring theme.
Best band to buy: 2018-2020 (95.5% first-time pass). Worst band to avoid: pre-2018 (89.5% pass). That's a 6.0-point spread across 38,150 older tests and 1,281 newer ones — year of build makes a material difference on this model.
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.
Item 01 · Amazon UK
Digital tyre-tread depth gauge
Five quid for a gauge beats £150 for a retest. UK MOT minimum is 1.6mm — most testers fail anything below 2mm to be safe.
Search Amazon UK
Item 02 · Amazon UK
H7 / W21W bulb pack
A spare-bulb kit lives in the boot. Test morning is not the time to find your stop-lamp's gone.
Search Amazon UK
My Motor World · affiliate
Affiliate links — small commission, no extra cost to you.
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Click Mechanic · affiliate
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Mobile mechanic · UK-wide
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Owner reports · Honest John
Verbatim faults logged by owners on honestjohn.co.uk over recent years. We didn't summarise — these are the words people typed in.
What's good
The BMW M3 offers superb driving dynamics combined with everyday comfort and practicality, plus the latest in infotainment and technology. It’s still the benchmark performance saloon car.
Where it falls short
Divisive styling. Expensive to buy and run.
Recall history
The M3 has 12 official UK vehicle recalls covering defect details, remedies, and affected build dates.
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 an M3 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.
