3 Series E92 328i (N52K) COUPE
64 52 521
Replacing A/C system compressor (N52K)
Warning!
Risk of injury!
Refrigerant circuit is under high pressure!
Work on the cooling system may only be carried out when it
has cooled down.
Follow safety instructions for handling R134a refrigerant.
Follow safety instructions for handling refrigerant oil.
Avoid contact with refrigerant and refrigerant oil.
Important!
Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of
electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts
exclusively.
Aluminium screws/bolts must be replaced each time they are
released.
The end faces of aluminium screws/bolts are painted blue for
the purposes of reliable identification.
Jointing torque and angle of rotation must be observed
without fail (risk of damage)!
Important!
Risk of damage!
Restart engine only when A/C system has been correctly
filled.
Read and comply with notes on replacing compressor.
Follow instructions for opening and replacing parts in
refrigerant circuit.
If A/C system is opened for more than 24 hours:
Replacing drier insert for A/C system
RA Replacing A/C system compressor (N52K)
BMW AG - TIS
03.02.2013 02:47
Issue status (12/2007) Valid only until next DVD is issued
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