2002 BMW Z3 air condition

69n
IndexDataTechnologyRepairsMaintenanceControlsOverview
Coolant temperature gauge Service Interval DisplayBlueThe engine is still cold. Drive at
moderate engine and vehicle speeds.RedWhen you switch on the ignition, the
warning lamp comes on briefly to
confirm that the system is operational.
Comes on while driving: the engine is
overheated. Switch off the engine
immediately and allow it to cool down.367de007
Between the blue and red zonesNormal operating range. It is not
unusual for the needle to rise as far as
the edge of the red zone in response to
high outside temperatures or severe
operating conditions.
Checking coolant level, refer to
page 125.
Green lamps The number of illuminated lamps
decreases as the time for your next
maintenance visit approaches.Yellow lamp This field appears together with
OILSERVICE or INSPECTION.
This alerts you that maintenance is due.
Please arrange for an appointment with
your BMW center.Red lamp Maintenance is overdue.367us709

75n
IndexDataTechnologyRepairsMaintenanceControlsOverview
Dynamic Stability Control (DSC)*Switch off DSC/activate ADBPress the DSC switch (arrow) Ð the indi-
cator lamp comes on and remains on.
DSC has been switched off; ADB is in
ready mode.
In the following exceptional circum-
stances, it may be effective to activate
the ADB for a short period:
>When rocking the vehicle or starting
off in deep snow or on loose surfaces
>When driving on snow-covered
grades, in deep snow, or on a snow-
covered surface that has been
packed down from being driven on
>When driving with snow chains.367de739
Switch off DSC and ADBHold the DSC switch down for at least
3 seconds. The indicator lamp and the
red warning lamp for the brake
hydraulic system remain on.
In this case, no interventions to
increase stability and traction for engine
and brakes are carried out.
To maintain vehicle stability, drive
with the DSC switched on when-
ever possible.<
Reactivate DSC and ADBPress the button again; the indicator
lamp or the indicator lamps will go out.
The laws of physics cannot be
repealed, even with DSC. It will
always be the driver's responsibility to
drive in a manner that matches road
conditions. We therefore urge you to
avoid using the additional safety margin
of the system as an excuse for taking
risks.
The DSC is deactivated and will not
carry out any stabilizing intervention
when the ADB is in ready mode.
Do not make any modifications to the
DSC system. Allow only authorized
technicians to perform service proce-
dures on the DSC.<
You will find additional details
concerning DSC in the chapter
"Advanced technology" on page 165.

84n
Heating and ventilation/Air conditioner
*
367de714

85n
IndexDataTechnologyRepairsMaintenanceControlsOverview
Heating and ventilation/Air conditioner
*
1 Airflow toward the windshield and
side windows
2 Airflow toward upper body
The rotary dials allow infinitely-vari-
able regulation of the air supply. You
can change the airflow direction with
the lever in the center of the vent or
by rotating the vent grille87
3 Front footwell ventilation
4 Air distribution onto the
>windows
>upper body
>footwell
All intermediate settings are
possible86
5 Temperature86
6 Air supply
The heating and ventilation are oper-
ational beginning with position 186
7 Recirculated-air mode86
8 Air conditioner86

86n
Heating and ventilation/Air conditioner
*
Air distribution
You can direct the flow of air
onto the windows , toward
the upper body and into the
footwell . All intermediate settings
are possible. In position , a small
volume of air is directed onto the
windows in order to keep them free of
condensation.
A "6 o'clock" position is recommended
as the normal operating setting.
Temperature
In order to increase the temper-
ature of the passenger compart-
ment, turn to the right (red). For
rapid heating, turn completely to the
right. Then select an interior tempera-
ture which is pleasant for you.
Air supply
You can select blower speeds
from 1 to 4. Both heating and
ventilation become more effec-
tive as the air supply rate is increased.
In position 0, the blower and the heater
are switched off.
Air conditioner
The air is cooled and dehumidi-
fied and Ð depending on the
temperature setting Ð warmed
again when the air conditioner system
is switched on. Depending on the
weather, the windshield may fog over
briefly when the engine is started.
Use the button to switch the air condi-
tioner off at outside temperatures
below approx. 41 7(+5 6). This will
help to prevent condensation from
forming on the windows.
If the windows fog over after switching
the air conditioner off, switch it back
on.
Condensation forms in the air
conditioner system during opera-
tion, which then exits under the vehicle.
Traces of condensed water of this kind
are thus normal.<
Recirculated-air mode
If there are unpleasant odors in
the outside air, you can tempo-
rarily block the supply of the
incoming air. The system then recircu-
lates the air currently within the vehicle.
If the windows fog over in the
recirculated-air mode, switch this
mode off and increase the air supply as
required.<

87n
IndexDataTechnologyRepairsMaintenanceControlsOverview
Heating and ventilation/Air conditioner
*
Draft-free ventilationYou can adjust the air outlets for the
upper body area completely for your
personal comfort:
Use the rotary dial 2 to open and close
the vent throughout an infinitely-vari-
able range. With the levers 1 you can
direct the airflow to the side, and up or
down by rotating the vent grill.
Set the outlets so that the air flows past
you and is not directed straight at you.367de224
Rapid ventilation1. Set the blower speed control for the
air supply rate to position 4
2. Switch on the air conditioner
*
3. Turn the rotary temperature control
completely to the left (blue). Then
select an interior temperature which
is pleasant for you
4. Rotary control for air distribution in
position
5. Open the outlets for the upper body
area.367de709
Cooling1. Set the blower speed control for the
air supply rate to position 2
2. Switch on the air conditioner
*
3. Use the rotary temperature control to
select an interior temperature which
is comfortable for you
4. Rotary control for air distribution in
position
5. Open the outlets for the upper body
area.367de710

88n
Heating and ventilation/Air conditioner
*
HeatingThis setting is recommended if the
windows are free of ice and condensa-
tion:
1. Set the blower speed control for the
air supply rate to position 2
2. Use the rotary temperature control to
select an interior temperature which
is pleasant for you
3. Rotary control for air distribution in
position .367de711
Rapid heating1. Set the blower speed control for the
air supply rate to position 3
2. Turn the rotary temperature control
completely to the right (red). Then
select an interior temperature which
is pleasant for you
3. Rotary dial for air distribution in posi-
tion .367de712
To defrost the windows and
remove condensation 1. Set the blower speed control for the
air supply rate to position 4
2. Turn the rotary temperature control
completely to the right (red)
3. Rotary control for air distribution in
position
4. To defrost the rear window on the
coupe, switch on the rear window
defroster.367de713

Overview
Controls and features
Operation, maintenance
Owner service procedures
Technical data
Index Advanced technology
97n
IndexDataTechnologyRepairsMaintenanceControlsOverview
Special operating instructions:
Break-in procedure98
Driving notes99
Catalytic converter100
Antilock Brake System
(ABS)101
Disc brakes103
Brake system104
Winter operation105
Power steering106
Cellular phone107
Car radio reception107
Hardtop Ð roadster108
Wheels and tires:
Notes on inflation pressures110
Tire condition110
Tire replacement111
Tire rotation113
Wheel and tire
combinations114
Special features of winter
tires115
Snow chains115
Approved wheel and tire
specifications116In the engine compartment:
Hood118
Engine compartment120
Fluids for the washer
systems122
Washer nozzles122
Engine oil123
Coolant125
Brake fluid126
Vehicle Identification127
Care and maintenance:
The BMW Maintenance
System128
Airbags130
Storing your vehicle130
Laws and regulations:
Technical modifications132
California Proposition
65 Warning132
OBD interface socket133
Maintenance