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Reliability Database
BMW

Z4

Roadster
Best Engine ✅ Recommended (3.5)
2 Generations
9 Engines Rated
1,254 Total Complaints
Engine Ratings
4 recommended 3 caution 2 avoid

Generation Timeline

2003-2008 E85
5 engines
1,150 complaints 🔥 7 ☠ 2
Unknown ⚠️ Caution (2.7)
→
2009-2016 E89
4 engines
104 complaints
2.0L 4-cyl ✅ Recommended (3.5)
→
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