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 rear seat.
Unfasten plug connection (1) and disconnect.
Release sleeve nut (2).
Tightening torque 72 11 27AZ.
Remove lower belt fitting.
Installation:
Lower strap fitting is coded to prevent incorrect installation.
Fig. 19: Identifying Plug Connection And
WARNING: Move wheels into straight-ahead position and do not alter this
position
during the repair work.
Do not under any circumstances turn the steering column switch cluster
when the steering wheel is removed.
Necessary preliminary work
Remove steering wheel.
Unclip steering column shroud upp