BMW X3 Service & Repair Manual: Instructions for desiccant insert replacement

BMW X3 Service & Repair Manual / HVAC / Condenser and dryer with lines / Instructions for desiccant insert replacement

Special tools required:

  • 32 1 270

A desiccant insert that is in a correctly functioning, sealed heating and air conditioning system does not have to be changed at regular service-inspection intervals.

However, the dryer flask or desiccant insert must absolutely be replaced in the event of:

  • Contamination of the refrigerant with swarf (e.g. when the compressor is clamped).
  • With depressurized and/or completely drained refrigerant circuit.
  • With a refrigerant circuit, which was closed using special tool 32 1 270 but remains open for more than 24 hours.

The desiccant insert cannot be replaced in the following vehicles:

  • 1-Series E8x, 3-Series E9x from 12/2008
  • E84, E89
  • 1-Series F2x, 3-Series F3x
  • BMW i 01 without heat pump

In these vehicles, the condenser for the heating and air conditioning system must be replaced.

  • BMW i 01 with heat pump

On this vehicle the low pressure battery must be replaced.

    Condenser and dryer with lines
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