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 RADIO AND IHKA CONTROLS
Release screws (1).
Tightening torque 61 31 2AZ.
NOTE: Use special tool 00 9 450 to tighten screws.
Remove fan (2) from IHKA controls (3).
Installation note:
Make sure pins (4) are correctly located on fan (2).
Fig. 101: Identifying Fan
IMPORTANT: In event of oil loss, always check rear axle final drive for
traces of wear and
damage.
Necessary preliminary work
Catch or draw off final drive oil.
Remove REAR AXLE FINAL DRIVE.
NOTE: Read and comply with REAR DIFFERENTIAL: ASSIGNMENT TO MODEL
SERIES.
IMPORTANT: To avoid leaks from