same inquiry here.
i could not find a site that specifies what coolant is needed for the rex engine.
i went to a bmw dealership and i was provided with 2 different coolant.
I would assume the rex engine and the e-drive coolant are the same (blue color).
I bought my i3 preowned last dec2020, and was planning to check all coolant levels for peace of mind.
all my coolant levels at frunk are ok except in the rex engine which seems below minimum.
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