It can not be added to the 2019 if the remote control package was not included on the car. I loved the display key that came with the 2017 I had, and my dealer inadvertently forgot to include the remote control option on my 2019 760 order so I could not get the display key. For those of you that do not see the value, on weekends I only carried my display key around. M-F I would have to carry my ring of office keys etc, but it was nice to leave the ring of keys at home on the weekend and just grab my display key.
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