Necessary preliminary tasks

• Switch off ignition.
• Follow INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY  .
• Disconnect NEGATIVE BATTERY CABLE .
• Detach fuse box in passenger compartment and pull back; to do so, refer to REMOVING AND INSTALLING OR REPLACING FUSE BOX IN PASSENGER COMPARTMENT (BUILT AFTER 03/2007) 

Pull back carpet.

Release lower nut on fuse carrier holder.

Pull holder slightly towards front.

Fig 1: Locating Fuse Carrier Holder Lower Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connections for fan motor (1).

Release screws (2). Remove fan.

Fig 2: Identifying Fan Motor With Screws

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Add final details to vehicle.

Read fault memory.