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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REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM
ON FRONT SEAT, LEFT OR RIGHT
Necessary preliminary tasks
Remove rear panel on front seat backrest.
Unfasten plug connection (1) and disconnect.
Release clips (2).
Feed out drive unit for lumbar support in upward direction.
Instal
General information
A Check Control message is displayed.
BMW display key detection by the vehicle may
malfunction under the following circumstances:
The battery of the display key is discharged.
Interference of the radio connection from
transmission towers or other equipment with
high transmi