BMW Head Unt High 3 Technical Training. Product Information page 52

Infotainment￿2018
5.￿BMW￿Digital￿Key
5.5.3.￿Transmission
The￿BMW￿Digital￿Key￿code￿and￿the￿TAN￿must￿be￿shared￿with￿the￿friend's￿key.￿Here￿BMW
recommends￿sending￿the￿two￿codes￿via￿a￿second￿channel￿(e.g.￿telephone￿call).
Transmission￿of￿PIN￿and￿TAN
Index
A
B
1
2
46
Explanation
Owner's￿key
Friend's￿key
BMW￿Digital￿Key￿code￿is￿sent￿to￿the￿friend's￿key.￿This￿transmission￿should￿be
made￿via￿a￿second￿channel￿for￿security￿reasons.
TAN￿is￿sent￿to￿the￿friend's￿key.￿The￿TAN￿should￿be￿shared￿via￿a￿second
channel￿for￿security￿reasons.