7 Series E65 735i (N62) SAL
Brief description of components
The following components are required for Comfort Access:
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Interior and exterior aerials
A total of 12 aerials are required for communication with the ID transmitter:
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6 interior aerials: Driver's footwell and front-passenger footwell, rear-compartment footwell left and right,
rear window shelf, luggage compartment
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6 exterior aerials: outside door handle on all 4 doors, double aerial in rear bumper
The aerials emit 125 kHz radio signals which are evaluated by the ID transmitter.
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Outside door handle electronics
There is electronic circuitry in the outside door handle on all 4 doors.
The 3 sensors in the outside door handle electronics send the following signals to the CAS and CA control units:
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Start check: When a hand reaches into the handle recess via a capacitive sensor
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Unlock: When the outside door handle is pulled via a pull sensor
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Locking and deadlocking: When the outside door handle pressed via press sensor
A built-in aerial also sends radio signals in order to check for an ID transmitter located on the outside of the
driver's door or front-passenger door.
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ID transmitter
The ID transmitter evaluates the signals from the aerials. It also sends high-frequency radio signals to the FBD
receiver.
Inserting the ID transmitter into the insert compartment deactivates all Comfort Access functions.
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Remote control receiver
The remote control receiver (FBD receiver) is located in the right-hand C-pillar. The FBD receiver receives the
radio signals from the ID transmitter and forwards them to the CAS control unit. The Comfort Access (CA)
control unit activates the FBD receiver.
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Electric motor on door lock
Each of the 4 door locks also has an additional electric motor. The electric motor provides early release of the
locking pawl in the door lock.
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Tailgate button
The tailgate button supplies a signal to the power module (PM) when the tailgate is opened. The power module
sends the signal to the CAS control unit.
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START/STOP button
The START/STOP button can be used to switch the terminals in sequence (0, R, 15, R, 0). When the brake is
depressed (automatic transmission) and the START/STOP button is pressed, the engine will start.
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Insert compartment for the ID transmitter/remote control
The remote control must be inserted into the insert compartment if the battery in the ID transmitter is discharged.
The engine can then be started up.
Inserting the ID transmitter into the insert compartment deactivates Comfort Access.
SBT Comfort Access E65, E66
BMW AG - TIS
09.02.2013 03:17
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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