BMW Z4 2003 reliability and quality

Production year from 2003 to 2006

According to yearly reports of vehicle inspection service BMW Z4 reliability is average.

During regular inspections from 2007 to 2016 in average failures were found for approximately 13.8 percents of BMW Z4.
The most recent data available is for 2016, when the average defect rate for a 13-year-old BMW Z4 was 23.9 percent, the average for a car that age was 28.2 percent. Thus, in terms of reliability, BMW Z4 proved to be more reliable than 75% of the other cars tested.

Year of inspection Age of car Failures found %
/ average for same age cars
Place in rating
BMW Z4 2006
2016 10 years 21.6% / 24.90% 32. from 102
2015 9 years 23.1% / 26.80% 25. from 95
2014 8 years 18.3% / 21.80% 33. from 113
2013 7 years 15.4% / 17.20% 45. from 107
2012 6 years 11.0% / 10.30% 76. from 122
2011 5 years 12.4% / 10.40% 83. from 120
2010 4 years 3.9% / 5.10% 30. from 131
2009 3 years 5.6% / 5.00% 77. from 117
2008 2 years 6.1% / 4.80% 83. from 116
BMW Z4 2005
2016 11 years 26.1% / 31.40% 18. from 89
2015 10 years 23.1% / 26.80% 25. from 95
2014 9 years 23.0% / 28.80% 20. from 95
2013 8 years 15.4% / 17.20% 45. from 107
2012 7 years 17.5% / 17.50% 56. from 107
2011 6 years 12.4% / 10.40% 83. from 120
2010 5 years 10.3% / 9.90% 75. from 123
2009 4 years 5.6% / 5.00% 77. from 117
2008 3 years 6.1% / 4.80% 83. from 116
2007 2 years 8.4% / 5.90% 92. from 113
BMW Z4 2004
2016 12 years 26.1% / 31.40% 18. from 89
2015 11 years 24.8% / 32.10% 11. from 78
2014 10 years 23.0% / 28.80% 20. from 95
2013 9 years 16.3% / 23.00% 12. from 87
2012 8 years 17.5% / 17.50% 56. from 107
2011 7 years 16.1% / 16.70% 49. from 98
2010 6 years 10.3% / 9.90% 75. from 123
2009 5 years 6.6% / 9.30% 21. from 109
2008 4 years 6.1% / 4.80% 83. from 116
2007 3 years 8.4% / 5.90% 92. from 113
BMW Z4 2003
2015 12 years 24.8% / 32.10% 11. from 78
2013 10 years 16.3% / 23.00% 12. from 87
2011 8 years 16.1% / 16.70% 49. from 98
2010 7 years 10.3% / 14.70% 75. from 123
2009 6 years 6.6% / 9.30% 21. from 109
2007 4 years 8.4% / 5.90% 92. from 113