1. Select a field.
2. Turn the controller until the desired setting is displayed.
3. Press the controller.
Activating/deactivating the functions
Several menu items are preceded by a checkbox.
It indicates whether the function is activated or deactivated. Selecting the menu item activates or deactivates the function.
Function is activated.
Function is deactivated.
BMW X3 Service & Repair Manual > HVAC: Operating fluids - air conditioning and heating
1.0 REFRIGERANT R134A
In order to fulfil the environmental compatibility requirements of BMW products and to reduce the ozone
pollution of the earth's atmosphere caused by refrigerants needed for heating and air conditioning systems, from
April 1991 on and starting with the model E32/M30 and th ...