12 90 100 Replacing fan for electronics box

Necessary preliminary tasks: 

• Switch off ignition.
• Follow INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
• Disconnect BATTERY ground terminal.
• Detach fuse box in passenger compartment and pull back; to do so, refer to REMOVING FUSE BOX

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

Courtesy of BMW OF NORTH AMERICA, INC.

Add final details to vehicle.

Read fault memory.