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E90 General Vehicle Electrical
Components of Central Locking System
Controls
Central locking can be operated from the following controls:
• Remote control
• Identification transmitter
• Center-lock button
• Driver's door lock barrel
Remote Control
Each vehicle is delivered with one spare key and two remote control units. The adapter
for the spare key is located in the glove compartment.
Note: A third remote control for the vehicle is optionally available.
This remote control can be ordered through Spare Parts.
The remote control has three buttons for operating the central locking system.
There is a rechargeable battery in the remote control that is charged by means of a
transponder coil in the remote control holder.
The mechanical key is integrated in the remote control.
Index Explanation Index Explanation
1
Unlock / convenient open button
3
Button for OPEN trunk lid
2
Lock / convenient close button
4
Mechanical key