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Percentage of Kia Optima and BMW Z3 repairs by problem area

Chart based on 587 Kia Optima and 321 BMW Z3 repairs.

Kia Optima and BMW Z3 repair cost distribution

Chart based on 322 Kia Optima and 273 BMW Z3 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 Kia Optima.
See repair histories for the BMW Z3.
Don't infer Kia Optima or BMW Z3 problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Kia Optima and BMW Z3 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 Kia Optima or BMW Z3 problems occur, check out our car reliability stats.