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:
KNIFE
Knife MW
Note: (Cutting knife set for roof-mounted aerial (empty housing) ) special
tool for manual operation only. 65 2
011 Drawing knife with plastic sleeve; 65 2 012 Pull handle with plastic sleeve,
65 2 013. Special blade is
replaced by 65 2 014 Special blade
SI number
01 15 08 (475)
Con
IMPORTANT: Read and comply with notes on protection against electrostatic
damage (ESD
PROTECTION).
Necessary preliminary work:
DISCONNECT NEGATIVE BATTERY CABLE
Remove both battery earth leads at F03
Remove right LUGGAGE COMPARTMENT WHEEL ARCH PANEL.
NOTE: From 09/2010, the control unit is ins