64 11 225 Replacing controller for heating and A/C system blower
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. 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 . See 64 11 545 REMOVING AND INSTALLING BLOWER HOUSING FOR HEATING AND AIR-CONDITIONING UNIT or 64 11 545 REMOVING AND INSTALLING FAN HOUSING FOR HEATER/AIR CONDITIONER (N52T, N55)
Unlock plug connections (1) and disconnect.
Release screws (3).
Remove controller (2) towards top.