Chart based on 207 Pontiac Montana SV6 and 321 BMW Z3 repairs.
Chart based on 186 Pontiac Montana SV6 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.
Don't infer Pontiac Montana SV6 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.
Pontiac Montana SV6 and BMW Z3 Problems and Repair Histories