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After a bit of checking, I realized that range values on BMW US and Canada sites are based on EPA, while European sites are based on WLTP.
There is also a notice on USA website saying “ The EPA and US Department of Energy estimates have not been released for the 2022 BMW iX.”
As far as I know, WLTP is for European roads (more city driving) and EPA is for US roads (more freeway driving).
For example, WLTP of xdrive 40 is between 246-257 miles. Whereas xdrive 50 is between 365-380 miles.
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