BMW 7 Series (F01/F02) 2008-2015 Service Manual / General Vehicle Electronics / Comfort Access
BMW 7 Series: Comfort Access
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Introduction
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
System Overview
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
Functions
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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Instructions For Disconnecting And Connecting Battery
Observe SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY.
Before disconnecting battery
Turn off the ignition and other electrical loads/consumers to prevent
sparking when reconnecting.
NOTE: If the ignition is not turned off when the battery is disconnected,
fault memories
may be set in some contr
Output Shafts
PRESSING OUTPUT SHAFT OUT OF DRIVE FLANGE AND DRAWING IN
Necessary preliminary work
Remove REAR WHEEL.
Remove REAR AXLE FINAL DRIVE.
IMPORTANT: Always place a new circlip on the output shaft reinstalling!
IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread
when releasing
col
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