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
Enable the digital remote control
key
Vehicle owner's smartphone is enabled as a digital
remote control key in the vehicle. The vehicle
owner must prove his authorization for the vehicle
for this purpose.
The proof of authorization can be started via the
BMW app or via the activation code in the co
Special tools required:
23 0 490
27 1 470 DRIFT
IMPORTANT: After completion of work, check transmission oil level. See
Replenishing /Changing Transfer Case Oil (ATC 700).
Use only the approved gear oil. See Replacing Output Flange on
Transfer Box at Rear (ATC700) in this transfer box.
Necessar