General information
The BMW display key is supplied with an additional mechanical key. If the
display key is used, the mechanical key should be carried with you, for instance
in the wallet. The mechanical key is used like the integrated key.
The display key supports all functions of the
standard
Electronic control devices are installed in the vehicle.
Electronic control units process data they
receive from vehicle sensors, self-generate or
exchange with each other. Some control units
are necessary for the vehicle to function safely or
provide assistance during driving, for instance
driver