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

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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, Controller And Screws

Courtesy of BMW OF NORTH AMERICA, INC.