MOT fail rates by first-use year
2001 BMW Z3 MOT fail rate and common faults
How BMW Z3 cars first used in 2001 did at their MOTs from 2022 to 2025, against all cars of the same age. From 7,413 DVSA MOT tests of these cars. First use is usually the date the car was first registered.
MOT data updated
At 24 years, tested in 2025
What stands out
- In 2025, at 24 years old, BMW Z3 cars first used in 2001 failed 28.1% of MOTs (1,753 tests), 9.7 points below the 37.8% for all cars that age.
- From 2022 to 2025, as these cars went from 21 to 24 years old, the fail rate moved from 30.2% to 28.1%.
- BMW Z3 cars first used a year earlier, in 2000, failed 30.7% at the same age of 24 years (1,930 tests, in 2024).
- The most common fail item that is not a wear item, for the BMW Z3 at 24 years, is airbag (SRS) warning light on, at 3.7 per 100 MOTs (all cars: 1.0).
MOT fail rate by test year
| Test year | Age | MOT fail rate | Tests (n) | All cars | Difference |
|---|---|---|---|---|---|
| 2022 | 21 years | 30.2% | 1,974 | 42.1% | −11.8 pts |
| 2023 | 22 years | 30.4% | 1,899 | 41.0% | −10.6 pts |
| 2024 | 23 years | 32.2% | 1,787 | 39.6% | −7.5 pts |
| 2025 | 24 years | 28.1% | 1,753 | 37.8% | −9.7 pts |
Most common faults at 24 years
These figures cover all BMW Z3 MOTs at 24 years: cars first used 1998 to 2001, tested 2022 to 2025 (n=9,582). The list uses every first-use year so it has enough tests. Wear items (tyres, brake pads, wipers, bulbs) say more about upkeep than about the design.
MOT fail items
| Fail item | Per 100 MOTs | All cars |
|---|---|---|
| Airbag (SRS) warning light on | 3.7 | 1.0 |
| Side/position light not working Wear | 3.3 | 3.8 |
| Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits | 2.7 | 2.2 |
| Suspension ball joint worn | 2.6 | 1.6 |
| Washers: provides insufficient washer liquid Wear | 2.6 | 1.9 |
| Rigid brake pipes: excessively corroded | 2.5 | 2.0 |
| Anti-lock braking system: warning lamp indicates an ABS fault | 2.5 | 1.1 |
| Catalyst emissions: carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits | 2.4 | 1.4 |
| Coil spring broken | 2.4 | 1.5 |
| Handbrake too weak | 2.1 | 2.3 |
Per 100 of the MOTs above (n=9,582). A test with two items counts once for each.
Advisories
| Advisory | Per 100 MOTs | All cars |
|---|---|---|
| Rigid brake pipes: corroded, covered in grease or other material | 19.4 | 14.7 |
| Engine oil leaks: leak, but not excessive | 10.7 | 15.1 |
| Brake discs: worn, pitted or scored, but not seriously weakened | 9.1 | 9.2 |
| Tyre tread close to the legal limit or worn on the edge Wear | 9.0 | 11.2 |
| Tyre condition: slightly damaged/cracking or perishing Wear | 8.9 | 9.8 |
| Suspension pin or bush worn, without excessive movement | 5.8 | 5.4 |
| Coil spring: corroded | 5.1 | 7.1 |
| Suspension arm: corroded but not seriously weakened | 5.1 | 2.7 |
| Suspension ball joint: slight play | 4.7 | 2.9 |
| Shock absorber misting oil | 4.7 | 2.8 |
Per 100 of the MOTs above (n=9,582). A test with two items counts once for each.
Fuel type at 24 years
These figures cover all BMW Z3 MOTs at 24 years: cars first used 1998 to 2001, tested 2022 to 2025 (n=9,582). Each fuel is set against all cars of the same fuel and age. Fuels with fewer than 1,000 tests are not shown.
| Fuel | Share of tests | MOT fail rate | Tests (n) | All cars, same fuel | Median mileage |
|---|---|---|---|---|---|
| Petrol | 100.0% | 31.4% | 9,575 | 37.0% | 84,042 miles |
Fail rate by mileage at 24 years
These figures cover all BMW Z3 MOTs at 24 years: cars first used 1998 to 2001, tested 2022 to 2025 (n=9,582). At 24 years, BMW Z3 cars at 120,000 to 150,000 miles failed more often (42.1%, n=1,163) than those at 30,000 to 60,000 miles (21.7%, n=1,822). Bands with fewer than 1,000 tests are not shown.
| Mileage at test | MOT fail rate | Tests (n) | All cars |
|---|---|---|---|
| 30,000 to 60,000 miles | 21.7% | 1,822 | 31.2% |
| 60,000 to 90,000 miles | 30.2% | 3,053 | 36.8% |
| 90,000 to 120,000 miles | 37.7% | 2,592 | 39.9% |
| 120,000 to 150,000 miles | 42.1% | 1,163 | 41.7% |
Car tax rules for a 2001 car
- Cars first registered before 1 March 2001 are taxed by engine size: one annual rate for engines up to 1,549cc and a higher rate above that.
- Cars first registered from 1 March 2001 to 31 March 2017 are taxed by CO2 emissions band, from band A (the lowest emissions) to band M. The band is set by the CO2 figure on the V5C logbook.
- A car first used in 2001 can fall under either rule, so the registration date on the logbook decides.
These are the rules, not the amount for a specific car. Car tax check
ULEZ and clean air zones
- Many petrol cars first registered from 2001 to 2005 already meet Euro 4, but not all of them. For a 2001 petrol car the Euro standard of that car decides.
- The clean air zones in Birmingham and Bristol use the same Euro 4 petrol and Euro 6 diesel standards. The low emission zones in Scotland use them too, but enforce them with fines, not a daily charge.
The Euro standard of the car decides, not the year alone. ULEZ checker
Other years of the BMW Z3
Other BMW models first used in 2001
| Model | Age at test | MOT fail rate | Tests (n) | All cars |
|---|---|---|---|---|
| BMW 3 Series (2001) | 24 years in 2025 | 34.1% | 4,548 | 37.8% |
| BMW 5 Series (2001) | 24 years in 2025 | 33.0% | 1,447 | 37.8% |
More on the BMW Z3
Found one you might buy? Vet the specific car.
These figures describe 2001 BMW Z3 cars as a group, not any one car. The VetTheCar Buying Report looks at the car you are buying: its MOT history, what similar cars did next, and what to ask the seller.
Source
Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA anonymised MOT test data, class 4 normal MOT tests, 2022 to 2025. MOT data updated 28 September 2026.
Not affiliated with or endorsed by DVSA. How we calculate these figures · Data sources
Car tax and clean air zone rules are summarised from GOV.UK and Transport for London guidance. They are general rules and are not drawn from the MOT data.