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:
24 2 390
IMPORTANT: After completion of work, check transmission oil level.
Use only approved transmission fluid.
Failure to comply with this requirement will result in serious damage to the
automatic transmission!
Necessary preliminary tasks:
Remove underbody protecti
Standby must be turned on to search for a software
upgrade.
Automatic search
The vehicle regularly searches for updates in the
background.
Manual search
1. "CAR".
2. "Settings".
3. "General settings".
4. "Remote Software Upgrade".
5. "Search for upgrades".
6. Follow the instructions on the Cont