12 90 100 Replacing blower for electronics box

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. 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 .

Necessary preliminary tasks

Remove CONTROL UNIT (excl. N55 ).
Read fault memory.
Switch off ignition.

Unclip connector (1).

Remove control unit (3).

Remove relay module (5) upwards.

Release screws (4).

Lift out oil equipment holder (2).

Fig 1: Identifying Control Unit Connector, Relay Module And Equipment Holder

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Unlock plug connection and disconnect.

Release air scoop (1).

Remove electric fan (2) with bracket.

Fig 2: Identifying Air Scoop And Electric Fan With Bracket

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Reassemble the vehicle.

Read fault memory.