Disconnect refrigerant line on the connecting piece

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CAUTION: Residual pressure in the heating and air conditioning system.
Injury hazard!

Wear safety goggles and protective gloves when disconnecting the refrigerant line.
Close the refrigerant lines with seal plugs.

Loosen screw (1).
Remove the refrigerant line (2).

Courtesy of BMW OF NORTH AMERICA, INC.