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:
DSC Components
DSC Unit
The DSC unit on the F01/F02 essentially uses the same technology as on the
E70/E71.
Versions
The DSC unit comprises the DSC control unit and the hydraulic modulator. The
two are attached to one another
in such a way as to form a waterproof unit.
The repair kits available a
Notes
To crimp optical fibres, use pliers 61 4 321 (1) in conjunction with crimping
head 61 4 323 (2) from crimping
set 61 4 320.
NOTE: Pliers (1) open automatically as far as they will go when handles
are pressed
together.
Fig. 143: Identifying Hand Pliers With Crimping Head (61 4 323)
Move cont