Section 1009 (Engine Cooling And HVAC - Overview)
WARNING: This page does not describe the selected car, but rather 41 other vehicles, including the 2003 BMW M5, 2003 BMW M3, 2003 BMW 540i, 2003 BMW 530i, and 2003 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.
- Climate Control
- Engine Cooling System
- Radiator
- Coolant Recovery Tank
- Coolant Level Check
- Radiator Cap
- Main Cooling Fan
- Engine Coolant
- ECM Controlled Function
- Water Valve(S)
- Heater Core
- Heating And Air Conditioning System Comparisons
- Engine Cooling And HVAC - Overview
- Theory Of Heat And Refrigeration
- Air Conditioning (A/C) System
- Refrigerant
- Adding Oil To The System
- Compressor
- Compressor Regulation - Cooling
- Compressor Clutch
- Compressor Service
- Condenser
- Auxiliary Fan - Typical Wiring Diagram
- AUXILIARY FAN CONTROL - E46 & E38, E39 (as equipped)
- R-12 Receiver/Dryer
- Repair Procedure:
- Proper Reading Of The Sight Glass
- R-134a RECEIVER/DRYER
- Notes On Replacing Dryer Flask
- Expansion Valve
- Evaporator
- Blower Motor
- MICROFILTERS
- Types Of Refrigerants
- Refrigerant Handling Certification Requirements Equipment Requirement
- Record-Keeping Requirements
- Leak Detectors
- Temperature Sensing Equipment
- Safety Precautions
- Ambient Temperature / Relative Humidity Reference Chart
- Non-Approved Air Conditioning Refrigerants
- This Type Of "Alternative" Refrigerants Is Not Compatible With, And Not Approved For Use In BMW Air Conditioning Systems.
- System Conversion
- Verified System Malfunction Follow-Up