Necessary preliminary work

Special tool 11 4 050 is equipped with a sealing ring (1).

IMPORTANT: Tightening torque of special tool 11 4 050 max. 20 Nm.

Fig 1: Identifying Special Tool (11 4 050) And Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.

Screw special tool 11 4 050 into crankcase to max. 20 Nm.

Secure union nut (1) of special tool 13 3 063 to max. 15 Nm.

Fig 2: Identifying Union Nut And Special Tool 11 4 050

Courtesy of BMW OF NORTH AMERICA, INC.