12 90 100 Replacing fan for electronics box

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2008 BMW Z4, 2008 BMW 328xi, 2008 BMW 328i, 2008 BMW 323i, and 2007 BMW Z4. 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 battery ground terminal.
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: Identifying Fuse Carrier Holder Lower Retaining 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, Plug Connector And Retaining Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Add final details to vehicle.

Read fault memory.