Chart based on 8908 BMW 3-Series and 1577 Porsche Boxster repairs.
Chart based on 4177 BMW 3-Series and 1151 Porsche Boxster repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Don't infer BMW 3-Series or Porsche Boxster problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
BMW 3-Series and Porsche Boxster Problems and Repair Histories