BMW 3: Concept, General information, Safety information
Concept
The system monitors tire inflation pressure in the four mounted tires. The system warns you if there is a loss of pressure in one or more tires.
General information
Sensors in the tire valves measure the tire inflation pressure and tire temperature.
The system detects the mounted tires automatically.
The system displays the specified nominal pressure values on the Control Display and compares these values to the actual tire pressure values.
If tires are being used that are not specified on the tire inflation pressure details on the vehicle, such as tires with special approval, the system needs to be actively reset. The system will then take over the actual tire inflation pressures as the target pressures.
When operating the system, also note the additional information found in the Tire inflation pressure.
Safety information
Warning The display of the target pressures is not a substitute for the tire inflation pressure details on the vehicle. Incorrect entries in the tire settings can lead to incorrect target tire inflation pressure values. In this case, it cannot be guaranteed that the notification of a loss of tire inflation pressure will be reliable. There is a risk of injury and risk of damage to property. Ensure that the tire sizes of the mounted tires are displayed correctly and match the details on the tires and on the vehicle.
Functional requirements
The following conditions must be met for the system; otherwise, reliable flagging of a loss of tire inflation pressure is not assured:
- After each tire or wheel change, the system
detects and updates the mounted tires and
displays them after a short trip on the Control
Display.
Enter the information about the mounted tires in the tire settings when the system does not automatically detect the tires.
- TPM does not activate until after driving for a
few minutes:
- After a tire or wheel replacement.
- Reset, for tires without special approval.
- After changing the tire setting.
- For tires with special approval:
- After a tire or wheel replacement, a reset was performed with the correct tire inflation pressure.
- After the tire inflation pressure was adjusted to a new value, a reset was performed.
- Wheels with TPM wheel electronics.
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Tire settings
General information
The information about the mounted tires can be
entered in the tire settings if the system does not
automatically detect the tires.
The tire sizes of the mounted tires can be gathe
Messages: for tires without
special approval
General information
A low tire inflation pressure may cause the DSC
Dynamic Stability Control to be switched on.
Safety information
Warning
A damaged regular tire with low or missing tire
inflation p
Actions in the event of a flat tire
Normal tires
1. Identify the damaged tire.
Check the tire inflation pressure in all four
tires, for instance using the tire pressure gage
of a flat tire kit.
For tires with special approval: if the
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Route details
Concept
When destination guidance is activated, a list of
route sections can be displayed.
General information
The following information is displayed:
Display of destination guidance information,
such as turn information or lane information.
Traffic events and traffic flow.
Points of Interest a
Securing the vehicle against
rolling
General information
The vehicle manufacturer recommends to additionally
secure the vehicle against rolling away
when changing a wheel.
On a level surface
Place wheel chocks or other suitable objects in
front and behind the wheel that is diagonal to the
wheel to be changed.
On a slight downhill grad
