2007 BMW Z4 3.0i 3.0si E85 Owners Manual

Malfunction
Initializing the system
The warning lamp for the brake system
The initialization is completed while you
are driving, and can be interrupted at any
time. Initialization is continued automatically
when you continue driving.
When driving with snow chains, do not initialize
the system.<
lights up in yellow. The drive-off assis-
tant has failed. The car will not be held
in place after the brake is released. Have the
system checked as soon as possible.
1.
Start the engine immediately before pulling
away, but do not drive off yet.
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.
In the event of tire pressure loss, the rolling
radius of the tire changes, thereby affecting the
rotational speed of the wheels. This change is
detected, and a flat tire warning is issued to the
driver.
2.
3.
Press the button until the yellow indicator
lamp in the instrument cluster lights up for a
few seconds.
System requirements
Drive off.
To ensure a reliable flat tire warning, the system
must be initialized with the correct tire inflation
pressures.
Initialization is completed during the drive,
without any feedback issued.
The system must be reinitialized each
time a tire inflation pressure has been cor-
rected or a wheel or tire has been changed.<
Flat tire warning
The warning lamp in the instrument
cluster lights up in red. A signal also
sounds. There is a flat tire or a signifi-
System limitations
cant loss of tire pressure.
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.<
1.
Cautiously reduce speed to 50 mph/
80 km/h or lower. Avoid strong braking and
steering maneuvers. Do not exceed a maxi-
mum speed of 50 mph/80 km/h.
If the car is not equipped with Run-
Flat Tires, refer to page 88, the stan-
dard equipment by design, do not continue
driving. Otherwise a severe accident could
result after a tire puncture.<
The system could issue a false warning or func-
tion in a delayed manner in the following situa-
tions:
>
>
System was not initialized
2.
At the next opportunity, check the air pres-
sure in all four tires.
Driving on a snow-covered or slippery road
surface
If the inflation pressure is correct in all
four tires, it is possible that the Flat
Tire Monitor was not initialized. In this case,
initialize the system.<
>
>
Performance-oriented driving: slip at the
drive wheels, high levels of lateral accelera-
tion
Driving with snow chains attached
53
Online Edition for Part no. 01 41 0 013 320 - © 02/07 BMW AG
Product Specification
CategoriesBMW Manuals, BMW Z-Series Manuals
Tags, , ,
Model Year2007
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