Depending on the model and model year, BMW of North America, LLC (BMW NA) warrants the high-voltage lithium-ion battery assembly against defects in materials or workmanship for a period of 8 years / 100,000 miles or 8 years / 80,000 miles, whichever occurs first. This coverage is in addition to the high-voltage lithium-ion battery’s limited warranty for defects in materials or workmanship. Due to its inherent technical design, the high-voltage lithium-ion battery’s capacity will decrease over time and with use.
Refer to BMW Service and Warranty Book for specific details for your vehicle.
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