11 52 020 Removing and installing or replacing fan coupling (M62)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

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.

Remove fan wheel with fan coupling from water pump.

Fig 1: Unfastening Cap Nut From Water Pump Using Special Tool 11 5 040

Courtesy of BMW OF NORTH AMERICA, INC.

Installation

Tighten down fan wheel using special tool 11 5 040.

Tightening torque, refer to 11 52 1AZ in ENGINE - TIGHTENING TORQUES - 540i .

NOTE: When using special tool 11 5 040, 30 Nm on the torque wrench scale are equivalent to a tightening torque of 40 Nm.

Fig 2: Tightening Fan Wheel Using Special Tool 11 5 040

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws and detach fan from fan coupling.

Fig 3: Identifying Fan Coupling And Screws

Courtesy of BMW OF NORTH AMERICA, INC.