BMW 7 Series: Microfilter
Overview Of Heater - A/C System Components
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Fig. 148: Overview Of Heater And A/C System Components
- Condenser for air conditioner
- Drier insert for air conditioner
- Independent heater and attachment parts
- Water valve
- Heater - A/C system and attachment parts
- Fan and attachment parts
- Compressor
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 liquid.
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
Necessary preliminary work
- Remove lower instrument panel trim.
Release screws (1) on filter housing (2).
Remove microfilter cover (3) in direction of arrow.
Installation note: Microfilter cover (3) must be correctly engaged in guides on filter housing (2).
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Fig. 149: Removing Microfilter Cover On Filter Housing
Remove microfilter (1) at tabs in direction of arrow from filter housing (2).
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Fig. 150: Removing Microfilter From Filter Housing
REPLACING REAR A/C SYSTEM MICROFILTER
IMPORTANT: Risk of damage! Air conditioning must not be operated without the prescribed filter element.
Follow manufacturer's instructions.
Necessary preliminary work
- from 11/2010, only remove luggage compartment partition wall
- Otherwise remove ALL LUGGAGE COMPARTMENT TRIM PANELS
Remove side cover (1) in direction of arrow.
Remove microfilter (2).
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Fig. 151: Removing Microfilter To Side Cover
READ NEXT:
A/C Performance Test (R 134a)
Observe the following conditions prior to the A/C performance test
1. Provision of a diagnosis system. Safeguard electrical system integrity by
checking the fault memory (no
faults in the fault memor
Drawing Off, Evacuating And Filling Heating And Air Conditioning
System (R 134a)
WARNING: Only persons in possession of a professional certificate
of competence for the maintenance and repair of heating and air conditioning
systems are authorized to carry out repair work on the
SEE MORE:
Replacing Gas Cartridge For Crash-Active Headrest On Left Or Right (From
09/2010)
WARNING: Read and comply with SAFETY REGULATIONS for handling airbag
modules and pyrotechnical belt tensioners.
Incorrect handling may result in triggering of the crash-active headrest
and thereby cause injury.
Switch off the ignition!
Necessary preliminary tasks:
Disconnect BATTERY NEGATIVE CABL
Cabin Air Filter
BMW - 750i &750Li
CABIN AIR FILTER
NOTE: Manufacturer's terminology for this filter is Microfilter.
REMOVAL & INSTALLATION
Overview of heater - A/C system components
Fig. 1: Overview Of Heater And A/C System Components
Condenser for air conditioner
Drier insert for air conditioner
Indep
