BMW 2007 328i Convertible Manual Do Proprietário

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T
e
chnology for
 driving comfort
 and 
safe
ty
92
The drive-off assistant holds the car in 
place for approx. 2 seconds after the 
brake is released. Depending on vehicle load, 
the car may roll backwards a little during this 
time span. Drive off without delay after releas-
ing the brake. Otherwise, the drive-off assistant 
will no longer hold the car in place after approx. 
2 seconds and the car will start to roll back-
wards.
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Flat Tire Monitor FTM*
The concept
The Flat Tire Monitor monitors tire pressures 
while the car is being driven. The system 
reports any significant loss of pressure in one 
tire in relation to another.
If a tire loses pressure, its rolling radius 
changes, and this in turn alters the speed of 
rotation. This change is detected and is 
reported as a flat tire.
Functional requirement
In order to assure the reliable reporting of a flat 
tire, the system must be initialized for the cor-
rect tire inflation pressure.
The system must be reinitialized each 
time a tire inflation pressure has been cor-
rected or a wheel or tire has been changed.
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System limitations
The Flat Tire Monitor is unable to warn 
the driver of sudden, severe tire damage 
caused by external factors, nor can it identify 
the gradual loss of pressure that will inevitably 
occur in all four tires over a lengthy period of 
time.
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In the following situations, the system could be 
delayed or malfunction:
>
System has not been initialized
>
Driving on snowy or slippery road surface
>
Performance-oriented style of driving: slip 
in the drive wheels, high lateral acceleration
>
Snow chains are attached
Initializing the system
The initialization is completed during driv-
ing, which can be interrupted at any time. 
When driving resumes, the initialization is con-
tinued automatically. 
Do not initialize the system while snow chains 
are attached.
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iDrive, for operating principle refer to page
1.
Press the 
 button.
This opens the start menu.
2.
Press the controller to open the   menu.
3.
Select "Settings" and press the controller.
4.
Select "Vehicle / Tires" and press the con-
troller.
5.
If necessary, move the highlight marker to 
the uppermost field. Turn the controller 
until "FTM" is selected and press the con-
troller.
6.
Start the engine, but do not start driving.
7.
Select "Reset" and press the controller.
Online Edition for Part no. 01 41 0 013 670 - © 02/07 BMW AG