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 BOTH REAR WHEELS.
IMPORTANT: The following work must only be carried of ISID diagnosis
system with
software version 02.21 or later.
Delete fault memory.
Check function of actuator unit.
If actuator unit is defective, set BMW diagnosis workshop mode.
Operatin
WARNING: Disconnect BATTERY NEGATIVE TERMINAL (risk of fire due to
short-circuiting
on removal).
Electric fuel pump starts up automatically when door is opened!
Carry out installation work on fuel system only with coolant temperature
below 40ºC.
Wear protective goggles.
IMPORTANT: Adhere to condi