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What 1 owners told NHTSA about the 2020 BMW I8

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 (1)Electrical system (1)

1 of 1 complaints match · Electrical system · clear filters

May 19, 2021Electrical system

THE CONTACT OWNS A 2020 BMW i8. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V601000 (ELECTRICAL SYSTEM). THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO THE DEALER FOR THE RECALL REPAIR. THE MECHANIC STATED THAT THERE WERE SEVERAL HIGH VOLTAGE BATTERY CELLS THAT WERE FAULTY. THE BATTERY CELLS WERE REBUILT HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK TO THE SAME DEALER TWICE HOWEVER, THE FAILURE RECURRED WITH THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS NOT REPAIRED AND WOULD BE GOING BACK TO THE DEALER FOR THE FOURTH TIME. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND INFORMED THE CONTACT THAT THEY WERE ATTEMPTING TO DETERMINE A SOLUTION. THE FAILURE MILEAGE WAS 952.

NHTSA ODI 11417740

Working with the data? Download all 1 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 I8 verdict →