IMPORTANT: Aluminum screws/bolts must be replaced each time they are released .
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification: Jointing torque and angle of rotation must be observed without fail (risk of damage) .
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .
Necessary preliminary work:
Release connector (1) and remove.
Release screw.
Remove pulse sensor (2).
NOTE: Check stored fault message.
Delete fault memory.
BMW X3 Service & Repair Manual > Ac housing/evaporator, switching elements: Removing and installing/replacing expansion valve (N55, N47)
Special tools required:
00 9 030
WARNING: Danger of injury!
Refrigerant circuit is under high pressure!
Avoid contact with refrigerant and refrigerant oil.
Read and comply with safety instructions:
Handling R 134a tetrafluorethane refrigerant .
HANDLING REFRIGERANT FLUID
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