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64 11 225 Replacing controller for heating and air conditioning system

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks: 

Disconnect plug connection (1).

Fig 1: Identifying Heating And Air Conditioning System Plug Connection
G04792580Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove controller (2).

Fig 2: Identifying Controller Screws
G04792581Courtesy of BMW OF NORTH AMERICA, INC.