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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IMPORTANT: Risk of scalding!
Only perform this repair work after engine has cooled down.
Necessary preliminary work
Drain COOLANT.
Remove FAN COWL.
Recycling
Catch and dispose of drained coolant in a suitable container.
Transmission oil emerges when engine oil lines are detached from transmissi
Checking
Switch off the compressor.
Read the tire inflation pressure on the tire
pressure gage.
To continue the trip, a tire inflation pressure of at
least 2 bar must be reached.
Removing and stowing the sealant
container
Unscrew the filling hose of the sealant container
from the tire