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:
Switch on standby state.
Press and hold the interior mirror button to be
programmed.
As soon as the LED on the interior mirror
flashes orange after approx. 20 seconds, release
the button.
Hold the hand-held transmitter for the system
to be used approx. 1 to 12 in/2.5 to 30 cm
away fr
Necessary preliminary work:
Remove AIRBAG UNIT
Release screws (1) on left/right on back of steering wheel (2).
Fig. 226: Identifying Steering Wheel Back With Screw
NOTE: Both multifunction steering wheel switches (1) are connected to each
other by
the wiring harness (2).
Feed wiring harness (2