BMW Z4 E89 (2009-2016) reliability
BMW Z4 E89 built around 2016: more dangerous faults than average
Testers find a dangerous fault on BMW Z4 E89 models built around 2016 more often than on similar cars the same age. Look closely at the tyres on any car you view.
Looking at a BMW Z4 E89?
Enter its number plate to see its full MOT history, risk rating and running costs.
Key figure
8% of MOT tests on BMW Z4 E89 models built around 2016 found a fault the tester marked as dangerous, against 4% for similar cars the same age.
Most common issue
The most common MOT issue on BMW Z4 E89 models built around 2016 involves the tyres.

Based on 17,179 tests of Z4 models registered 2009-2016.
About 1 in 25 Z4 E89 MOTs (3.8%) failed and still hadn't passed 3 days later. That's for cars built around 2016 (9 years old), all fuels combined.
Based on 1,587 tests (DVSA MOT results, 2025). A fail that passed a retest within 3 days, even the same day, isn't counted. Nor is a fail with no later MOT on record.
About 1 in 12 Z4 E89 MOTs (8.2%) found at least one dangerous defect. These are cars built around 2016 (9 years old).
Based on 1,587 tests (DVSA MOT results, 2025). Dangerous is the most serious grade an MOT gives: a direct risk to road safety.
E89 fail rate by age
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs. Highest fail rate at 16 years old.
How the Z4 E89 compares
At each age below, see how the Z4 E89 holds up against other cars the same age. The averages combine all fuel types.
Based on 160,988 tests across 18 BMW models, built around 2016 (9 years old).
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs.
What to check before viewing
The model's most common MOT issues, turned into things you can ask about or look for.
Independent inspection
High priorityHave an independent specialist inspect the car before you commit.
Brake discs
High priorityAsk for the date and mileage of the last disc replacement; visually check for a deep wear lip and rust pitting on each disc.
Brake pads
High priorityAsk when the pads were last replaced and check the warning-light history.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Vehicle-specific check
Worth checkingCheck the car’s number plate on MOT Wise to see its own MOT history and any recalls for its build years.
Other convertibles to compare
Other convertibles, with each one's figures taken at the same age as the Z4 E89.
- 1

Porsche Boxster
Same body type, tested at the same age
- Fail rate
- 6.5%
- Fail, no pass in 3 days
- 1.5%
- Dangerous
- 2%
- Still registered at 10 years
- 97.9%
Lower fail rate: 6.5%, against 15.4% for the BMW Z4 E89, both built around 2016.
1,302 MOT tests on cars built around 2016
- 2

Mazda MX-5
Same body type, tested at the same age
- Fail rate
- 12.4%
- Fail, no pass in 3 days
- 3%
- Dangerous
- 3.4%
- Still registered at 10 years
- 97.6%
Lower fail rate: 12.4%, against 15.4% for the BMW Z4 E89, both built around 2016.
4,540 MOT tests on cars built around 2016
- 3

Mercedes-Benz Slc
Same body type, tested at the same age
- Fail rate
- 14.2%
No clear edge over the BMW Z4 E89 on these figures.
Some figures could not be compared for these two cars. So this comparison uses the fail rate and recalls only.
1,244 MOT tests on cars built around 2016
- 4

Mercedes-Benz SLK
Same body type, tested at the same age
- Fail rate
- 16.5%
- Fail, no pass in 3 days
- 3.1%
- Dangerous
- 5.4%
- Still registered at 10 years
- 92.7%
Fewer dangerous faults: 5.4%, against 8.2% for the BMW Z4 E89.
3,439 MOT tests on cars built around 2016
- Fail rate
- = the share of MOT tests that ended in a fail. Retests count as tests.
- Fail, no pass in 3 days
- = the share of MOT tests that failed and still hadn't passed 3 days later. A fail that passed a retest within 3 days, even the same day, isn't counted.
- Dangerous
- = the share of MOT tests where the tester marked a fault as dangerous. It is against the law to drive the car until it is fixed.
- Still registered at 10 years
- = the share of cars still registered (taxed or declared off the road) 10 years after they were first registered.
How many are still registered
UK average for cars first registered in 2014 to 2015: 92% · About typical
The share still registered can reflect demand, the cost of repairs, exports, write-offs and how owners use the car. It isn't proof of how long the car lasts mechanically.
Source: DfT vehicle licensing statistics (VEH0124).
Recall context
14 recalls in all6 of the 14 Z4 E89 recalls cover cars built in these years.
- 1 Critical
- 5 more
Top concerns
- Plug in contact cable may malfunction
- Replace VANOS bolts N51 N52 N55
- Driveshaft universal joint may break
For the exact car, check GOV.UK's recall checker with the number plate.
How Z4 E89 cars have aged
How Z4 E89 cars have aged
How fail rates have changed as these cars got older. Each line follows cars first registered in about the same year across several years of MOT data. Not a prediction for any one car.
E89 variants compared
Most common issues on BMW Z4 models of this age
This list covers every BMW Z4 built around 2016, whichever generation it is. We don't have a defect list for the E89 on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 114.9%Advisory
Tyre worn close to the legal limit or worn on the edge
- 211.2%Advisory
Tyre slightly damaged, cracking or perishing
- 38.9%Advisory
Brake disc worn, pitted or scored, but not seriously weakened
- 46.4%Advisory
Brake pads wearing thin
- 54.0%Advisory
Tyre has a cut that does not reach the ply or cords
Based on 1,587 tests
Looking at a BMW Z4 E89?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built around 2016 (9 years old), the BMW Z4 E89 (2009-2016) fails MOTs noticeably less often than typical for this age. This is based on 1,587 9-year-old MOT tests from DVSA data. Each retest counts as a test.