64 52 ... Notes/instructions on working on air-conditioning systems
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2007 BMW M5, 2007 BMW 550i, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Avoid contact with refrigerant and refrigerant oil. Follow safety instructions for handling refrigerant R 134a. See 64 50... Safety Instructions For Handling Refrigerant R 134a . Follow safety instructions for handling refrigerant oil. See 64 50... Safety Instructions For Handling Refrigerant R 134a . Scalding hazard! Work on the cooling system may only be carried out when it has cooled down.
IMPORTANT:
Risk of damage! Restart engine only when A/C system has been correctly filled. Read and comply with notes on replacing compressor. See 64 52... Instructions For Compressor Replacement .
NOTE:
If A/C system is opened for more than 24 hours: Replace desiccant insert for A/C system. See 64 53 517 Replacing Desiccant Insert For A/C System .
IMPORTANT:
N52 engine only: Aluminium-magnesium materials. No steel screws/bolts may be used due to the threat of electrochemical corrosion. A magnesium crankcase requires aluminum screws/bolts exclusively. Aluminum screws/bolts must be replaced each time they are released. The end faces of aluminum 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).