BMW X4 Owner's Manual page 92

CONTROLS
There is a risk of accidents or injuries. Do not
leave children or animals unattended in the ve‐
hicle. Take the vehicle key with you when exit‐
ing and lock the vehicle.
Connection to the vehicle
The communication between the vehicle and the
smartphone uses near field communication,
NFC.
Functional requirements
▷ The smartphone is compatible with BMW
Digital Key
▷ The vehicle is linked with the Connected‐
Drive account of the vehicle owner.
▷ The rechargeable battery of the smartphone
has a sufficient charge. The necessary mini‐
mum charge of the rechargeable battery de‐
pends on the smartphone.
Enable the digital remote control
key
Vehicle owner's smartphone is enabled as a digi‐
tal remote control key in the vehicle. The vehicle
owner must prove his authorization for the vehi‐
cle for this purpose.
The proof of authorization can be started via the
BMW app or via the activation code in the corre‐
sponding smartphone function, for instance the
Wallet app. Both vehicle keys must be located in
the vehicle to be enabled.
Follow the instructions in the Digital Key menu in
the BMW app or on the Control Display.
The valid service period of the digital key may be
limited. The expiration date of the validity can be
checked in the BMW app.
After a digital key has expired, it can still be used
to move the vehicle until the vehicle is used with
a different vehicle key or digital key.
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Opening and closing
Online Edition for Part no. 01405A37CC6 - VI/21
Sharing digital keys
General information
Digital key allows the sharing of digital keys with
other people. This option is available via the
smartphone that is enabled as digital remote
control key.
Forwarding authorization
To share the digital key, select the correspond‐
ing function on the smartphone, for instance in
the Wallet app.
As soon as a digital key is shared with another
person, the person will receive an invitation.
When the invitation is accepted, the digital key
on the recipient's smartphone will be activated.
Limiting the range of functions
Certain functions of the digital key can be limited
before handing it over. For example, if the digital
key is handed over to a novice driver, the switch-
off of driving stability control system can be ex‐
cluded. For more information, refer to the Con‐
nectedDrive portal and the BMW app.
Authentication
Depending on the recipient's smartphone model,
an authentication may be required for security
and safety reasons.
An authorized vehicle key, the digital remote
control key or another method may be used for
authentication. Follow the corresponding instruc‐
tions on the smartphone or the Control Display.
Deleting a shared key
General information
Shared keys can be deleted via the smartphone
with the digital remote control key, the smart‐
phone with a shared key or via iDrive.
The deletion via the smartphone with the digital
remote control key will not be performed until