12 90 100 Replacing fan for electronics box

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 328xi, and 2010 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.

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 FUSE BOX

IMPORTANT: FOLLOW INSTRUCTIONS FOR REMOVING AND INSTALLING ELECTRONIC CONTROL UNITS .

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.