12 90 100 Replacing Fan For Electronics Box

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Follow instructions for removing and installing electronic control units. See 12 00... Instructions for Removing And Installing Electronic Control Units

Necessary preliminary tasks:

Remove control unit. See 12 14 550 Replacing Control Unit (DME)
Read fault memory. Switch off ignition.

Unclip plug (1).

Remove DDE control unit (3).

Remove relay plug-in (5) towards top.

Release screws (4).

Lift out device carrier (2).

Fig 1: Removing Device Carrier

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Unfasten plug connection and disconnect.

Release air cowl (1).

Remove electric fan (2) with bracket.

Fig 2: Remove Electric Fan (2) With Bracket

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Add final details to vehicle.

Read fault memory.