I. Part replacement as preliminary work fur further repair work and based on gradual leakage

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

(minor leak, e.g. hairline crack)

Procedure:

DRAW OFF heating and air conditioning system, then determine drawn-off amount of refrigerant.
Carry out part replacement
Replace removed refrigerant oil and additionally top up with new refrigerant oil according to components replaced:
- Compressor: refer to NOTES ON COMPRESSOR REPLACEMENT .
- Evaporator: 10 ml
- Capacitor: 20 ml
- Desiccant insert / dryer flask: 20 ml
- Each replaced refrigerant line: 10 ml
- Capacitor with integrated dryer: 40 ml
- Safety pressure switch and gasket: no additional refrigerant oil
EVACUATE AND FILL A/C system.