Cabin Air Filter / Purifier: Service and Repair
64 31 009 Replacing microfilter for interior ventilation
IMPORTANT:
Risk of damage.
A/C system must not be operated without the prescribed filter element.
Note on cleaning:
Spray microfilter housing from inside with BMW pollen filter housing cleaner* (observe instructions for use).
Comply with notes and instructions on handling cleaning agents.
Wipe away excess fluid.
This kills off germs, bacteria and fungi that cause smells.
The smell that results on the plastic parts of the microfilter housing is eliminated.
*BMW part number: 0 447 913
If necessary, release screws (1) on cover (2).
Release catches (1) and fold cover (2) downwards.
Installation note:
Ensure cover (2) is correctly seated.
Pull microfilter (4) out of guides towards bottom.
Installation note:
Feed in microfilter (4) between guides (1 and 2).
Slide microfilter (4) over guide (3).
Make sure microfilter (4) is correctly seated on all guides.