Partially removing the coolant expansion tank of the high-temperature coolant circuit

WARNING: Hot surfaces. 
Risk of burning! 

• Perform all work only on components that have cooled down.

NOTE: TECHNICAL INFORMATION 
Do not kink or bend the coolant lines otherwise there is a risk of damage.

• Unlock plug connection (1)  and disconnect.
• Guide out cable (2)  on coolant expansion tank (3)  and set it aside.
• Loosen clamp (4)  .
• Unlock plug connection (5)  and disconnect.

Courtesy of BMW OF NORTH AMERICA, INC.

• Loosen clamp (1)  .
• Loosen screws (2)  .
• Release rubber mount (4)  from expanding pin (5)  .
• Guide out expansion tank (3)  and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.