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Percentage of Porsche 911 and BMW 4-Series repairs by problem area

Chart based on 619 Porsche 911 and 58 BMW 4-Series repairs.

Porsche 911 and BMW 4-Series repair cost distribution

Chart based on 501 Porsche 911 and 41 BMW 4-Series 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 Porsche 911.
See repair histories for the BMW 4-Series.
Don't infer Porsche 911 or BMW 4-Series problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Porsche 911 and BMW 4-Series 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 Porsche 911 or BMW 4-Series problems occur, check out our car reliability stats.