Filling and venting the low-temperature coolant circuit

NOTE: RISK OF DAMAGE 
Inadmissible activation of the high-voltage system with drained coolant.  
Damage to components (for high-voltage systems).  

• Be sure 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.

• See further information. Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .