64 11 225 Replacing controller for heating and A/C system blower

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

Remove BLOWER HOUSING FOR HEATING AND AIR-CONDITIONING UNIT .

Unlock plug connections (1) and disconnect.

Release screws (3).

Remove controller (2) towards top.

Fig 1: Identifying Plug Connections, Screw And Controller

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