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
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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
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Bonding Aluminium On Steel
IMPORTANT: Conform with safety regulations
Overview of topics
Equipment
Preparing the surface
Bonding coat
Hardening times
Subsequent treatment
1.0 Equipment
Sandpaper
CLEANING AGENT R1
NOTES ON ADHESIVE K1
CARTRIDGE GUN
2.0 Preparation of surface
2.1 Steel surface
Grind bonding surfa
System Components
The voice input and activation system is implemented in the following control
units:
Telematics Control Unit (TCU)
Voice input and activation system
CIC
The voice-input commands are transmitted via MOST or the central gateway
module (ZGM) to the receiving
control unit.
Voice output cons
