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:
Components on the Vehicle
Fig. 49: Identifying Dynamic Stability Control And Electromechanical Parking
Brake Components, F01/F02 (Front Half Of Vehicle)
DYNAMIC STABILITY CONTROL SYSTEM COMPONENT REFERENCE CHART
Connection for front left wheel-speed sensor and
brake-pad wear sensor
Brake fluid
Notes
IMPORTANT: Lifetime coolant filling:
Never reuse used coolant!
When replacing and removing components which rely on the corrosion
protection effect of the coolant, it is essential to change the coolant. The
cooling system must therefore be drained and refilled.
In the case of other removal wo