Some years have passed since last time. As far as I can remember there should be quite direct box in Scanner where to change the VIN. E53 LCM can't be flashed so WinKFP is out of the question and I suspect this can't be done with Tool32 either.

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E39 530dA -02 M-Sport Messing metallic
E53 X5 3.0dA -06 Sport Stratus grey
E70 X5 40d -12 M-Sport Space grey