BMW 1999-2005 M3 Service Manual page 1173

Heating and Air Conditioning
10 of 11
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/6...
Drain engine coolant. See
-
Radiator and Cooling
- Remove complete IHKA housing as
described earlier.
- Remove heater core as described
earlier.
Working on left side of IHKA
-
housing:
Detach evaporator temperature
sensor electrical harness connector
and pull out sensor.
Detach wiring harness from
housing.
Detach linkage from fresh air
distribution motor.
- Working on right side of IHKA
housing:
Unclip and remove fresh
air/recirculation motor.
Remove evaporator cover mounting
screw and remove cover.
Detach and remove microswitch at
-
side of IHKA housing.
- Working in front of IHKA housing:
Remove blower housing mounting
screws. Lift out blower housing.
170
System.
2/25/2009 11:18 PM