12 90 100 Replacing Fan For Electronics Box

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. 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 . See 12 00... Instructions For Disconnecting And Connecting Battery .
Disconnect battery ground terminal. See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD (CONVERTIBLE) or 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD (COUPE) .
Detach fuse box in passenger compartment and pull back; to do so, refer to 61 13 050 REMOVING AND INSTALLING OR REPLACING FUSE BOX IN PASSENGER COMPARTMENT (BUILT AFTER 03/2007) (CONVERTIBLE) or 61 13 050 REMOVING AND INSTALLING OR REPLACING FUSE BOX IN PASSENGER COMPARTMENT (BUILT AFTER 03/2007) (COUPE) .

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 Lower Nut On Fuse Carrier Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connections for fan motor (1).

Release screws (2). Remove fan.

Fig 2: Identifying Plug Connections For Fan Motor

Courtesy of BMW OF NORTH AMERICA, INC.

Add final details to vehicle.

Read fault memory.