BMW 7 Series: Comfort Access
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Keyless Vehicle Access
Using Comfort Access, the customer can unlock and open the vehicle without
active use of the ID transmitter.
Access to the vehicle can be gained from any point. It is importan
Input/Output - Comfort Access
Fig. 1: Comfort Access Input/Output Diagram
COMPONENTS DESCRIPTION CHART
CAS 4 Car Access System 4
Footwell module (FRM)
Junction box electronics (JB)
Emergency sta
Function Overview
Comfort Access is divided into the following functions:
Passive Entry
Passive Go
Passive Exit.
ID transmitters are required for Comfort Access to function.
An ID transmitter co
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Necessary preliminary work
Remove PROPELLER SHAFT.
NOTE: The propeller shaft is balanced.
The front and rear propeller shafts must be reassembled in the same position.
Detach gaiter (1) from groove (2).
Mark front propeller shaft (3) and rear propeller shaft (4) in one plane.
Installation note
Notes
IMPORTANT:
Special tool 33 4 409 must not be removed!
Insert special tool 33 4 408 into special tool 33 4 401.
Fig. 125: Positioning Special Tools (33 4 408), (33 4 401) And (33 4 409)
Position special tool 33 4 401 in conjunction with 33 4 408 on drive flange.
Fig. 126: Positioning Spec