BMW 7 Series: Overview Of Aerial Diversity

Fig. 101: Overview Of Aerial Diversity

1. Aerial amplifier
2. Blocking circuit
3. AM choke (US vehicles only)
4. Back - up aerial
5. Interference suppression filter

OVERVIEW OF SENSORS FOR AIRBAG SYSTEM AND PEDESTRIAN PROTECTION

Fig. 102: Overview Of Sensors For Airbag System And Pedestrian Protection

1. Airbag control unit (storage tray, passenger side)
2. Sensor, front door (left/right)
3. Sensor, B-pillar (left/right)
4. Central sensor (under centre console)
5. Acceleration sensors, front (left/right)
6. Sensor, pedestrian protection (middle/left/right)

REMOVING AND INSTALLING (REPLACING) LEFT B-PILLAR SENSOR

WARNING: NOTE AIRBAG SAFETY INSTRUCTIONS ! Incorrect handling can activate airbag and cause injury.

Necessary preliminary tasks

• Clamp off BATTERY NEGATIVE LEAD
• Remove PANEL FOR DOOR PILLAR.

Release screw (1) on B-pillar (3).

Release screw (2).

Installation:

Tightening torque 65 77 3AZ.

Make sure sensor is mounted without play.

Feed out B-pillar sensor in downward direction.

Fig. 103: Identifying Screws And B-Pillar

Unfasten plug connection (1) and disconnect.

Remove B-pillar sensor (2).

Fig. 104: Identifying Plug Connection And B-Pillar Sensor

REMOVING AND INSTALLING (REPLACING) LEFT FRONT DOOR SENSOR

WARNING: Note AIRBAG SAFETY REGULATIONS ! Incorrect handling can activate airbag and cause injury.

Necessary preliminary tasks

• Remove SOUND INSULATION IN FRONT DOOR

Release screw (1).

Tightening torque 65 77 4AZ.

Feed out sensor towards bottom.

Unlock associated plug connection and disconnect.

Remove sensor.

Fig. 105: Identifying Screw

Installation note: Make sure front door sensor (1) is in correct installation position.

Guide lug (2) must be correctly seated in corresponding mounting on front door.

 
Fig. 106: Identifying Front Door Sensor And Guide Lug

REMOVING AND INSTALLING (REPLACING) LEFT PEDESTRIAN PROTECTION SENSOR

WARNING: Observe SAFETY INSTRUCTIONS for handling gas generators.

Incorrect handling can activate pedestrian protection and cause injury.

Necessary preliminary work

• Disconnect BATTERY CABLE
• Remove ORNAMENTAL GRILLE IN BUMPER TRIM.

Release screws (1).

Tightening torque 65 76 1AZ.

Feed out sensor (2).

Fig. 107: Identifying Screws And Sensor

Unfasten plug connection (1) and disconnect.

Remove sensor (2).

Fig. 108: Identifying Plug Connection And Sensor

REMOVING AND INSTALLING/RENEWING RIGHT FRONT DOOR SENSOR

This operation is described in: REMOVING AND INSTALLING (REPLACING) LEFT FRONT DOOR SENSOR

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