BMW M3 Coupe 2004 - Manual (Page 96)

96
Microfilter/Activated-charcoal
filter
The built-in microfilter removes dust
and pollen from the incoming air. The
activated-charcoal filter provides addi-
tional protection by filtering gaseous
pollutants from the outside air. Your
BMW center will replace the combined
filter as a standard part of your sched-
uled maintenance. A substantial reduc-
tion in airflow indicates that the filter
needs to be replaced early.
Roller sun blind*
To activate, press the button briefly
with ignition key in position 1 or higher.
Automatic climate control
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