BMW in the US issued a statement where it reported that more than 14,000 cars are defective due to a software malfunction affecting the battery management unit. The iX, i4 and i7 produced between October 14, 2021 and October 28, 2022 are the affected vehicles.

According to NM, the number of affected cars in Portugal is unknown however BMW Portugal did confirm that the error has also been identified in Portugal but that it does not pose any danger to drivers.

"During internal quality checks, BMW has identified that incorrect diagnoses can occur from time to time in the vehicle's battery management unit. In very rare cases, this can lead to an unplanned interruption of vehicle battery charging or a shutdown of the high-voltage system. Software updates are already available to correct these occasional incorrect diagnoses”, according to BMW and reported by NM.

Drivers who are affected by this problem can continue to drive their cars while they wait for the said update which will not have any associated cost.


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