BMW X3 Service & Repair Manual: 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.
Instructions for replacement of air conditioning capacitors and
radiator/coolers
IMPORTANT:
Even when they are correctly installed or due to normal driving, radiators (oil cooler, radiator,
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BMW X3 Owners Manual
BMW X3 Service & Repair Manual
