BMW M3 SEDAN Owner's Manual page 277

Defrosting windshield and
remove condensation
Concept
Ice and condensation are quickly removed from
the windshield and the front side windows.
Switching on/off
Press the button.
The LED is illuminated when the sys‐
tem is switched on.
The air flow can be adjusted manually with the
system switched on.
If there is window condensation, press
the button or switch on the air condi‐
tioning to utilize the condensation sensor. Make
sure that air can flow to the windshield.
Rear window defroster
Press the button. The LED lights up.
The function is operational when the
drive-ready state is switched on.
The rear window defroster switches off automat‐
ically after a certain period of time.
Microfilter/activated-charcoal
filter
The microfilter removes dust and pollen from the
incoming air.
The activated-charcoal filter also removes gas‐
eous pollutants from the outside air that enters
the vehicle.
Have this combined filter changed during vehicle
maintenance.
Online Edition for Part no. 01405A1E4B0 - X/20
Climate control
Ventilation
Concept
The air flow directions can be individually ad‐
justed.
Adjusting the ventilation
General information
The air flow directions can be adjusted for direct
or indirect ventilation.
Open the vents and position them to ensure ef‐
fective climate control.
Direct ventilation
The air flow is directed towards the passengers.
The air flow heats or cools noticeably, depending
on the adjusted temperature.
Indirect ventilation
The air flow is not directed towards the passen‐
gers. The car's interior is warmed or cooled indi‐
rectly, depending on the set temperature.
Front ventilation
▷ Lever for changing the air flow direction, ar‐
row 1.
▷ Thumbwheel for variable opening and closing
of the vents, arrow 2.
CONTROLS
277