Soft Top Wear Marks
ModerateBodywork & RustSome owners report the soft top rubbing on its own frame when folded, causing shiny wear patches or premature tearing.
Estimated cost: £0–£1,000Affects: 2018–2021
Common Problems with the
2018–2021 BMW Z4 (G29)
We've identified 3 known issues that can affect the 2018–2021 BMW Z4 (G29). None are considered critical, but they're worth knowing about before you buy.
3
Known Issues
0
Serious
2
Moderate
1
Minor
The 2018–2021 period has 2 more issues than the BMW Z4 (G29) average across all year periods.
All Known Issues
B58 Coolant Loss / PCV
ModerateEngineThe 3.0 M40i models can suffer from minor coolant loss and PCV valve membrane tearing.
Estimated cost: £150–£500Affects: 2018–2024
iDrive Reboots
MinorElectrics & ElectronicsOccasional screen freezing and rebooting, typically fixed by over-the-air software updates.
Estimated cost: £0Affects: 2018–2022
Buying Tips for the 2018 BMW Z4 (G29)
- ✓Check the soft top for wear marks
- ✓Ensure the B58 engine (M40i) has no coolant leaks
- ✓Test the iDrive system
Browse 2018–2021 BMW Z4 (G29) in our Directory
View MOT history, registration data, and reliability scores for 2018–2021 BMW Z4 (G29) vehicles.
View 2018–2021 DirectoryLooking at a specific 2018 BMW Z4 (G29)?
Enter the registration number to check its full MOT history, outstanding finance, write-off status, and more.
Free Vehicle Check