FREON
The refrigerant Freon R12 is used in most BMW automobiles with an air
conditioner up through the 1992
model year. It has a boiling point of - 29.8ºC (sea level), at which the
refrigerant is t
OIL USED IN FREON-CHARGED SYSTEMS
A mineral-based oil is used. The oil level in the compressor must be checked
before filling an air conditioner
with refrigerant. It can be checked only if the system
A musty odor may be detected in the vehicle, particularly when the air
conditioner is first switched on.
This is caused by microorganisms growing on the evaporator from moisture
condensation.
A di
Principle
The air flow directions can be adjusted individually
for direct or indirect ventilation.
Setting the ventilation
General information
Open the air vents and position them to ensure
effective climate control.
Direct ventilation
The air flow is directed towards the passengers.
The air flow h
(cylinder bank 1 to 4)
Necessary preliminary tasks:
Remove servomotor for right eccentric shaft.
Remove ignition coils on cylinder bank 1 to 4.
Remove spark plugs on cylinder bank 1 to 4.
Remove right cylinder head cover.
Remove right inlet and exhaust adjustment units.
Remove right inlet