BMW 7 Series: Telephone Antenna System
In order to meet the high quality requirements that apply to the telephone system of the F01/F02, several antennas are installed in the vehicle, with the configuration depending on equipment trim level.
The following antennas are used for this purpose:
- Roof antenna
- Bluetooth antenna
- Emergency-call GSM antenna
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Fig. 35: Identifying Telephone Antenna System
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- Roof Antenna
- Emergency-call GSM (back-up) antenna
- Not for US
- Bluetooth antenna
Emergency-call GSM antenna
The emergency-call GSM antenna is needed for the ASSIST service so it is installed in combination with the Telematics Control Unit. "Preparation for mobile phone with Bluetooth interface".
Bluetooth antenna
The Bluetooth antenna is a newly designed component. It is smaller than the predecessor model, which means that it can be accommodated in the roof.
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- Connection to the TCU
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Fig. 36: Identifying Bluetooth Antenna Connection To TCU
There are two different locations for the Bluetooth antenna. The position actually occupied depends on whether or not the car is fitted with the slide/tilt sunroof option.
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Fig. 37: Identifying Bluetooth Antenna
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Bluetooth antenna without slide/tilt sunroof (in middle of roof)
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Bluetooth antenna with slide/tilt sunroof (on B pillar)
Roof antenna
The roof antenna is in the middle of the roof, toward the trailing edge. Depending on the equipment installed, the car might have two GSM antennas (roof 1 and roof 2). Both are inside the housing of the roof antenna.
Overview of the GSM antennas installed and relationship to optional extras:
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Introduction
History
Voice-activated control was offered for the first time as an option for the
E38. The system enabled the driver to
operate the telephone and the navigation system without taking his or her eye
System Overview
The following pages show the input/outputs and the schematic circuit diagrams
of the F01/F02 voice input and
activation systems.
The driver's side microphone is the only device used for voice input.
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At virtually identical wheel loads, a greater track width and a larger wheelbase
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Tire pressure monitor- Actions in the event of a flat tire
Normal tires
Identify the damaged tire.
To do this, check the tire inflation pressure in
all four tires, for instance using the tire pressure
gage of a flat tire kit.
When the tire inflation pressure in all four tires
is correct, the Flat Tire Monitor FTM may not
have been initialized. In this
