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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Checking Cylinder Head For Watertightness (N63)
Necessary preliminary work
Remove LEFT CYLINDER HEAD.
Remove RIGHT CYLINDER HEAD.
Remove ALL VALVES.
NOTE: Set of special tools 11 8 080 can be used for cylinder bank 1 to 4
and cylinder
bank 5 to 8.
Position special tool 11 8 081 on cylinder head.
Fig. 44: Positioning Special Tool 11 8 081 O
Repair Work On GFP Components With Gelcoat Surface
Scratches in Gelcoat surface
Scratches in the Gelcoat surface which do not allow the GFP mat structure to
show through can be touched up.
Sand out scratches with water and 800 wet sandpaper. Then sand with water and
2000 wet sandpaper. Prepare
repair area for polishing.
Cracks in Gelcoat surface
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