BMW Z4 (G29)
The latest Z4 (G29), developed alongside the Toyota Supra, returned to a fabric soft-top and shed significant weight, making it much sharper to drive than the E89. Positioned as a dedicated, focused sports car, it offers brilliant B-series engines, particularly the B58 straight-six in the M40i. It is highly praised in the UK for its fantastic interior tech, excellent handling, and robust reliability, suffering mainly from minor software glitches rather than mechanical flaws. It perfectly suits driving enthusiasts wanting a modern, fast, and highly capable roadster with cutting-edge infotainment.
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Common Faults & Reliability
These are the most common documented problems for the BMW Z4 (G29), sorted by their typical impact and frequency.
Soft Top Wear Marks
medium severitySome owners report the soft top rubbing on its own frame when folded, causing shiny wear patches or premature tearing.
B58 Coolant Loss / PCV
medium severityThe 3.0 M40i models can suffer from minor coolant loss and PCV valve membrane tearing.
iDrive Reboots
low severityOccasional screen freezing and rebooting, typically fixed by over-the-air software updates.
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