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Confirming that my 2016-02 build date is not eligible for the upgrade, according to rep at BMWNA. Also confirmed, I have NBT Evo ID4 and from what I gather... factory equipped with the 3G based TCB unit in the trunk vs. the TCB2 unit that is directly attached to shark fin.
Anyone know of aftermarket options; preferably without tearing into the dash and dropping the headliner?
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