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Percentage of BMW Z4 and Kia Optima repairs by problem area

Chart based on 719 BMW Z4 and 587 Kia Optima repairs.

BMW Z4 and Kia Optima repair cost distribution

Chart based on 526 BMW Z4 and 322 Kia Optima repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
See repair histories for the BMW Z4.
See repair histories for the Kia Optima.
Don't infer BMW Z4 or Kia Optima problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

BMW Z4 and Kia Optima Problems and Repair Histories

See our lemon odds and nada odds comparisons to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently BMW Z4 or Kia Optima problems occur, check out our car reliability stats.