BMW 7 Series: Anti-Theft Alarm System
REMOVING AND INSTALLING/REPLACING EMERGENCY POWER SIREN WITH
TILT SENSOR
Necessary preliminary work
- Remove GUIDE FOR BUMPER AT REAR RIGHT
Secure guide for bumper (3) against falling out.
Unfasten plug connection (1) and disconnect.
Slacken nut (1).

Fig. 93: Identifying Bumper, Plug Connection And Slacken Nut
Unlock catch (1).
Remove emergency power siren (2) from guide for bumper (3).
Catch (1) must not be damaged.
Make sure emergency power siren (2) is correctly seated on guide for bumper (3).

Fig. 94: Identifying Catch And Power Siren
Replacement
Carry out VEHICLE PROGRAMMING/ENCODING.
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REMOVING AND INSTALLING (REPLACING) LEFT PEDESTRIAN PROTECTION
SENSOR
WARNING: Observe SAFETY INSTRUCTIONS for handling gas generators.
Incorrect handling can activate pedestrian protection and cause
Fig. 101: Overview Of Aerial Diversity
Aerial amplifier
Blocking circuit
AM choke (US vehicles only)
Back - up aerial
Interference suppression filter
OVERVIEW OF SENSORS FOR AIRBAG SYSTEM AND
SEE MORE:
REPLACING LEFT ENGINE MOUNT (N63)
Necessary preliminary work
Secure engine in INSTALLATION POSITION.
Remove rear UNDERBODY PROTECTION.
Lower FRONT AXLE SUPPORT.
Release bolt (1) and remove engine mount.
IMPORTANT: Installation note:
To ensure play between engine mount and engine support arm, lo
OVERVIEW OF ELECTRONIC COMPONENTS
Fig. 153: Overview Of Electronic Components
Pulse generator
Brake pad wear sensor
ICM control unit
DSC control unit
REMOVING AND INSTALLING/RENEWING ICM CONTROL UNIT
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DAMAGE (ESD prote