11 52 020 Removing and installing or replacing fan clutch (N62)

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Special tools required:

11 5 040
11 5 050

CAUTION: Left-hand threads.

Using special tool 11 5 050 brace against pulley and unfasten cap nut from water pump using special tool 11 5 040.

Fig 1: Removing Fan Wheel With Fan Coupling

Courtesy of BMW OF NORTH AMERICA, INC.

Remove fan wheel with fan coupling from water pump.

Installation:

Tighten down fan impeller using special tool 11 5 040.

Fig 2: Identifying Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 11 52 1AZ. Refer to ENGINE - TIGHTENING TORQUES .

NOTE: When using special tool 115 040, 30 Nm on the torque wrench scale are equivalent to a tightening torque of 40 Nm.

Release screws, detach fan from fan clutch.

Fig 3: Detaching Fan From Fan Clutch

Courtesy of BMW OF NORTH AMERICA, INC.