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What 3 owners told NHTSA about the 2016 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 (3)Electrical system (2)Engine (1)Tires (1)

2 of 3 complaints match · Electrical system · clear filters

Aug 6, 2025Electrical systemEngine

2016 BMW I8 EME HIGH VOLTAGE BATTERY TEMP SENSORS (NTC SENSORS) WARNING LIGHTS APPEARED WHILE DRIVING LOSS POWER AND MY HIGH VOLTAGE BATTERY SHUT DOWN AT THE RED LIGHT BUT WAS ABLE TO RESTART IT AGAIN AD MAKE IT HOME

NHTSA ODI 11678650

Jul 31, 2025Electrical system

High voltage battery assembly cell module temperature sensors Over time one or more of the high voltage cell modules internal sensors fail its a saftey issue A shut down of the high voltage electrical power would result in loss of propulsion increasing the risk of a crash vechicle will not restart

NHTSA ODI 11677452

Working with the data? Download all 3 complaints as CSV · fetched from NHTSA July 20, 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 2016 BMW I8 verdict →