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.
READ NEXT:
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:
Necessary preliminary tasks
Remove UNDERBODY PROTECTION.
Release all screws (1).
Remove cover.
Replacement
From April 09 the snap fasteners are discontinued and replaced by a
conventional screw connection.
Fig. 103: Identifying Cover And Screws
REPLACING A BALL JOINT IN LEFT OR RIGHT SWINGING
REMOVING AND INSTALLING/REPLACING LEFT HEADLIGHT VERTICAL AIM
ADJUSTER
WARNING: Version with xenon headlights: Danger to life due to high
voltage!
Therefore disconnect all components from voltage supply before removal.
Work on the entire xenon lighting system (control unit, ignition unit with
lamp