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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WARNING: Electric fuel pump starts up automatically when door is
opened!
Observe warning on cylinder head cover.
Disconnect NEGATIVE BATTERY TERMINAL (risk of fire due to short
circuit on removal).
Carry out installation work on fuel system only with coolant temperature
below 40ºC.
IMPORTANT: We
Remove FRONT BUMPER TRIM
Vehicles with auxiliary radiator:
Remove FRONT WHEEL ARCH COVER
Lever out expanding rivets (1) on engine compartment lid seal (2).
Fig. 46: Identifying Expanding Rivets On Engine Compartment Lid Seal
Remove seal for engine compartment lid (2) on left.
Release screws (