BMW 7 Series: Introduction
Anti-theft System
The anti-theft system is available as an option. The task of the anti-theft system is to indicate unauthorized access to the vehicle by emitting an alarm. The alarm can be triggered both audibly and visually. To do this, however, the anti-theft system must be activated. When activated, the alarm monitors the whole of the vehicle interior.
In addition the anti-theft system monitors the engine compartment and the vehicle's rest position. In order that nothing can be stolen from the trunk, the anti-theft system monitors opening of the trunk lid.
The alarm also signals an attempt to tamper with the vehicle, e.g. cutting of the supply line to the emergency power siren.
The anti-theft system's ultrasonic interior movement detector is entirely integrated in the roof function center.
The ultrasonic signal passes into the inside of vehicle through apertures in the grille of the roof function center.
The emergency power siren and combined tilt sensor is located near the rear wheel arch.
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System Overview
Anti-theft System Circuit Diagram
Fig. 34: Anti-Theft System Circuit Diagram
COMPONENTS DESCRIPTION CHART
Hood switch
Car Access System 4 (CAS4)
Anti-theft system (DWA) LED
Junction Box electron
Functions
Overview
When activated, the anti-theft system on the F01/F02 monitors the entire
vehicle. The doors and hood/trunk lid,
emergency current siren, the vehicle interior and the DWA bus in particular ar
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Removing And Installing Or Replacing Both Rear Brake Discs
Necessary preliminary work
Remove WHEELS.
Remove and clean BRAKE PADS.
After completing repair work:
Adjust PARKING BRAKE (not F10F11F18F25)
Read and comply with notes on BRAKING IN NEW BRAKE DISCS/BRAKE PADS.
Check minimum brake disc thickness:
Position special tool 34 1 280 at three meas
System Overview
Fig. 22: Power Windows System Diagram
COMPONENTS DESCRIPTION CHART
Footwell module
Power window motor, front
Power window motor, rear
Junction box electronics
Power window switch, driver's side rear passenger side front and rear
Outside door handle for Comfort Access
Car Access System 4
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