WARNING: Danger of injury! Refrigerant circuit is under high pressure! Work on the refrigerant circuit may only be carried out by experts! Draw off refrigerant without fail BEFORE all repair work on the refrigerant circuit.
The refrigerant circuit is depressurized AFTER drawing off.
It is absolutely essential to read and observe the relevant operating instructions for the A/C service unit used!
Protective measures/rules of conduct:
First aid measures:
BMW X3 Service & Repair Manual > Electronic switching or control units: Replacing suction pressure sensor on pressure pipe (N20, N26)
Necessary preliminary tasks:
Read out the fault memory of the DME control unit.
Switch off ignition.
Unlock connector (1) and remove.
Unfasten screws (2).
Pull suction pressure sensor (3) out of pressure pipe.
Installation note:
Check sealing ring for damage. Replace damaged seali ...