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What 5 owners told NHTSA about the 2020 BMW M8

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (5)Crash / fire / injury (1)Speed control (2)Brakes (1)Driver assistance (1)Electrical system (1)Engine (1)Fuel system (1)Transmission & drivetrain (1)Visibility & wipers (1)

1 of 5 complaints match · Visibility & wipers · clear filters

Sep 15, 2020Visibility & wipers

TL* THE CONTACT OWNS A 2020 BMW M8. THE CONTACT STATED THAT WHILE DRIVING IN THE RAIN AT 55 MPH, THE WINDSHIELD BECAME FOGGY. THE CONTACT ACTIVATED THE DEFROSTER/DEFOGGER HOWEVER, FAILED TO IMMEDIATELY CLEAR THE WINDSHIELD. THE CONTACT PULLED OVER AND WAITED FOR THE WINDSHIELD TO CLEAR UP. THE CONTACT RESUMED NORMAL DRIVING. ON ANOTHER OCCASION, THE CONTACT STATED THAT WHILE DRIVING AT 45 MPH, THE FAILURE RECURRED. THE CONTACT CALLED BMW OF KANSAS CITY SOUTH (1200 W 104TH ST, KANSAS CITY, MO 64114) WHERE HE WAS INFORMED TO BRING IN THE VEHICLE IN FOR AN INSPECTION. THE MANUFACTURER WAS ALSO NOTIFIED OF THE FAILURE AND REFERRED THE CONTACT TO THE LOCAL DEALER TO BE SERVICED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 1,700.

NHTSA ODI 11355118

Working with the data? Download all 5 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2020 BMW M8 verdict →