BMW 7 Owners & Service Manuals

BMW 7 Series: Introduction

Unlocking and Locking the Vehicle

The central locking system makes it possible to unlock or lock the vehicle. It is fitted as standard equipment and relates to all vehicle doors, the fuel filler flap and the trunk.

The central locking can be operated via the following components:

  • ID transmitter
  • Driver's-door lock barrel (door lock)
  • Central-lock button
  • Trunk lock barrel
  • Exterior trunk button
  • Interior trunk button in the A-pillar
  • Outside door handle * (outside door handle electronics/Car Access System)
  • Central locking button in the trunk lid *.

* Component of the Comfort Access option.

The central locking system in the F01/F02 is based on the central locking system as it is already known in, for instance, the E90 or E70. The function of the central locking system is basically divided between three control units.

The Car Access System has overall control. The Car Access System is aware of the statuses of the central locking system. Therefore it is the Car Access System which causes the unlocking, locking and central locking of the vehicle.

The junction box electronics module executes the request to unlock or lock the vehicle.

NOTE: The Car Access System is now entering its fourth control-unit generation and contains the functions of its predecessor.

With Car Access System 4, Comfort Access functionality is now also integrated into this control unit. This means that, on the F01/F02 there is no separate control unit for Comfort Access.

It is possible to unlock and lock the vehicle actively or passively.

  • Active means that the vehicle can be opened after it has been unlocked by a press of the button on the ID transmitter. The vehicle can be locked by pressing the Lock button after the doors have been closed.

NOTE: The vehicle can only be locked with the driver's door closed.

Passive locking and unlocking requires the option Comfort Access.

  • Passive means the vehicle is unlocked when the outer door handle is grasped, provided the ID transmitter is located within a radius of no more than approximately 1.5 meters from the vehicle. The locking function is triggered by pressing on the sensitive area on the outer door handle.

The trunk is fitted with the automatic soft-close function as standard. With the automatic soft-close function, it is sufficient to gently press the trunk into the trunk lock. As soon as the locking pawl reaches the pre-locking position, automatic soft-close fully closes the trunk. The locking pawl is then located in the main locking position.

An alternative is automatic soft-close, the automatic soft-close function is available for all vehicle doors. When equipped with the automatic soft-close function, the vehicle door needs only to be gently pulled or pushed into the lock. The automatic soft-close function then completely closes the door.

The Car Access System (4) evaluates the signal from the ID transmitter (1) and requests the unlocking or locking of the vehicle. The junction box electronics module (8) executes the requests.

The lock barrel (12) in the driver's door is used for mechanically unlocking or locking the door. The footwell module (10) evaluates the movement (status of Hall sensors) of the lock barrel and the status of the door contacts.

    READ NEXT:

     System Overview

    Input/output Central Locking Fig. 10: Central Locking Input/Output Diagram COMPONENTS DESCRIPTION CHART ID transmitter Central locking button Interior trunk button in the A-pillar Car Access Sys

     Functions

    Unlocking/locking the Vehicle The vehicle unlocking/locking procedure is initiated by the following system components: ID transmitter Mechanical key/spare key Exterior trunk button (only unlocks

     System Components

    Components of the Central Locking System Footwell Module The footwell module is installed at the left-hand A-pillar. It evaluates the status of the door contacts and reads in the Hall sensor signals

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