64 11 225 Replacing controller for heater - A/C system fan (automatic A/C High)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Disconnect battery negative lead, refer to 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD
Remove lower trim from instrument panel, refer to 51 45 181 REMOVING AND INSTALLING INSTRUMENT PANEL TRIM AT BOTTOM RIGHT
Remove side trim panel on center console, refer to 51 16 ... REMOVING AND INSTALLING SIDE PANELS ON CENTRE CONSOLE

Disconnect plug connection (1) on fan housing (2).

Fig 1: Disconnecting Plug Connection On Fan Housing

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For purposes of clarity, illustration shows heater/air conditioner removed.

Release screws (1) and remove fan cover (2) in direction of arrow.

Fig 2: Removing Fan Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Release screws (2) and remove controller for heater - A/C system fan (3) in direction of arrow.

Fig 3: Removing Controller For Heater - A/C System Fan

Courtesy of BMW OF NORTH AMERICA, INC.