BMW F48 - Remote Control Receiver; Central Locking System Operation

F48�General�Vehicle�Electronics
6.�Locking�and�Security�Functions
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6.1.1.�Remote�control�receiver
The�remote�control�receiver�is�installed�in�the�luggage�compartment�on�the�right.
The�radio�signal�received�by�the�remote�key�is�forwarded�by�the�remote�control�receiver�via�a�local
interconnect�network�bus�to�the�BDC.
F48�Installation�location�of�the�remote�control�receiver
6.2.�Central�locking�system
The�function�of�the�central�locking�system�of�the�F48�is�based�on�that�of�current�BMW�models.
With�the�introduction�of�the�BDC,�all�relevant�functions�for�the�central�locking�system�are�handled
by�one�control�unit.�The�function�is�as�follows:
• The�radio�signal�from�the�ID�transmitter�is�received�by�the�remote�control�receiver.
• The�signal�causes�the�BDC�to�activate�the�central�locking�system�and�the�interior�lighting.
• The�BDC�evaluates�the�status�of�all�door�contacts.�In�this�way,�for�example,�the�vehicle�can
be�prevented�from�being�locked�while�the�driver's�door�is�open.
• The�status�of�the�central�locking�system�button�is�also�evaluated�by�the�BDC.
The�BDC�activates�the�central�locking�system,�depending�on�the�status.
• The�BDC�is�responsible�for�the�status�recording�and�activation�of�the�central
locking�system�in�the�tailgate.