Replace all sealing rings

Fig 1: Identifying Banjo Bolt With Screw

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Release screw (1).

Tightening torque 11 53 3AZ .

Release banjo bolt (2).

Tightening torque 11 53 2AZ .

Lay coolant return line to one side.

Installation note: 

Fig 1: Identifying Banjo Bolt And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Open hose clamp (1).

Detach coolant feed line (2).

Installation note: