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
Special tools required:
00 2 030
31 2 255
31 2 256
31 4 170
31 5 250
31 5 255
31 5 256
WARNING: Danger to life!
Mount securing fixture for vehicle on lifting platform to prevent the
vehicle from slipping off or tilting down.
Secure engine in installation position to prevent it from falling
Special tools required:
11 9 190
11 9 461
11 9 462
(cylinder bank 5 to 8)
Necessary preliminary tasks:
Remove servomotor for left eccentric shaft.
Remove left cylinder head cover.
Remove all spark plugs on cylinder bank 5 to 8.
If necessary, remove fan cowl.
IMPORTANT: Screw (1) is a spec