BMW 8 CONVERTIBLE 2023 Series Owner's Manual page 279

Front ventilation
▷ Lever for changing the airflow direction, ar-
row 1.
▷ Thumbwheel for variable opening and clos-
ing of the air vents, arrow 2.
Pre-ventilation
Principle
The car's interior can be cooled or heated
before driving off with the pre-ventilation. De-
pending on set temperature and ambient tem-
perature, the car's interior is ventilated or pos-
sibly heated using the residual engine heat.
General information
The system can be switched on and off directly
or via a preset departure time.
The activation time is determined based on
the outside temperature. The system promptly
switches on before the selected departure
time.
Functional requirements
▷ The vehicle is in idle state or standby state
and not in drive-ready state.
▷ The vehicle battery is sufficiently charged.
If pre-ventilation is switched on, the vehicle
battery will be discharged. Thus, limit the
maximum activation time to save the vehi-
cle battery. The system will be available
Online Edition for Part no. 01405A7B930 - II/23
Climate control
again after the engine is started or after a
short trip.
▷ Make sure that the vehicle's date and time
are set correctly.
▷ Open the air vents to allow air to flow out.
Switching on/off directly
General information
There are different ways to switch the system
on or off.
The system switches off automatically after a
certain period of time. The system continues to
run for some time after being switched off.
Using the button
Functional requirement
When the vehicle is in standby state, the pre-
ventilation can be switched on or off with the
automatic climate control buttons.
Turning on
Press one of the following buttons:
▷ Temperature.
▷ Air conditioning.
▷ Maximum cooling.
▷ AUTO program.
▷ Air recirculation mode.
▷ Upper side of the air flow, manual button.
▷ Air distribution, manual.
▷ Defrosting the windshield
Turning off
Press and hold the bottom button.
The system switches off after leaving and lock-
ing the vehicle.
CONTROLS
279
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