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
Minimum set: Mechanical tools
Note: For straightening and assembly jobs on vehicle bodies, e.g. fitting
trim panels, removing window
weatherstrips, repairing small-scale dents, removing residual adhesive
materials, measuring gap widths,
levering out trim panel parts
Series: E12, E21, E23, E24, E28
ANTI-THEFT
Fig. 1: Access/Start Circuit (1 of 3)
Fig. 2: Access/Start Circuit (2 of 3)
Fig. 3: Access/Start Circuit (3 of 3)
Fig. 4: Anti-theft & Central Locking Circuit (1 of 2)
Fig. 5: Anti-theft & Central Locking Circuit (2 of 2)
BODY CONTROL MODULES
Fig. 6: Body Control Modules Cir