(Fill and vent the low-temperature coolant circuit)

NOTE: RISK OF DAMAGE 
Prohibited activation of the high-voltage system when the coolant is drained. 
Damage to components (in high-voltage systems). 

• It is mandatory  to fill the coolant circuit before  activating the high-voltage system.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION 
It is mandatory  to fill the cooling system before bleeding.
Fill both  the circuits for high and low-temperature coolant circuits.