BMW M3 2007-2013 HVAC Specifications
Detailed technical specifications and performance metrics for the HVAC system in the 2007-2013 BMW M3. Includes component details, refrigerant types, and troubleshooting tips for the E90, E92, and E93 models.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2007-2013 BMW M3, including key features, measurements, and technical details. This section covers the heating, ventilation, and air conditioning system, focusing on its design, components, and performance metrics.
How to Use
Use the search function to locate specific HVAC specifications by entering keywords such as 'blower motor', 'refrigerant capacity', or 'temperature control'. Use exact terms for precise results.
Navigate through the HVAC documentation by selecting the relevant section from the table of contents. Each section is organized into subsections for detailed technical information.
Key Specifications
Blower Motor Power
400W
Refrigerant Capacity
700g
Cooling Capacity
5.5 kW
Heating Capacity
6.2 kW
Airflow Capacity (Footwell)
20 L/s
Available Specifications
HVAC System Overview
This section provides an overview of the HVAC system, including its design, components, and integration with the vehicle's electronics.
HVAC System Overview
This section provides an overview of the HVAC system, including its design, components, and integration with the vehicle's electronics.
System Design
- Dual-zone automatic climate control system
- Integrated with iDrive for user interface
- Electronically controlled air distribution
- Automatic recirculation mode for air quality control
Key Components
- High-performance blower motor with 400W power output
- Microfilter with activated carbon for air purification
- Evaporator core with 12.5 cm² surface area
- Heater core with 10.8 cm² surface area
Note: The microfilter should be replaced every 15,000 miles or as per the maintenance schedule.
Temperature Control
This section details the temperature control mechanisms, including sensors, actuators, and control logic.
Temperature Control
This section details the temperature control mechanisms, including sensors, actuators, and control logic.
Temperature Sensors
- Interior temperature sensor with ±0.5°C accuracy
- Exterior temperature sensor with ±1.0°C accuracy
- Solar sensor for sunlight intensity measurement
- Evaporator temperature sensor for frost protection
Actuators and Control
- Electronically controlled blend doors for precise air mixing
- Stepper motors for air distribution control
- PWM-controlled blower motor for variable airflow
- Integrated control module with CAN bus communication
Refrigerant System
This section covers the refrigerant system, including specifications, capacity, and performance metrics.
Refrigerant System
This section covers the refrigerant system, including specifications, capacity, and performance metrics.
Refrigerant Specifications
- R134a refrigerant with 700g capacity
- Compressor with 12-cylinder swash plate design
- High-pressure cut-off at 32 bar
- Low-pressure cut-off at 1.5 bar
Performance Metrics
- Cooling capacity of 5.5 kW at 2000 rpm
- Heating capacity of 6.2 kW at 2000 rpm
- System efficiency of 85% under optimal conditions
- Refrigerant flow rate of 12 L/min
Note: Ensure refrigerant levels are checked annually for optimal performance.
Air Distribution
This section explains the air distribution system, including vents, ducts, and airflow patterns.
Air Distribution
This section explains the air distribution system, including vents, ducts, and airflow patterns.
Ventilation System
- Four adjustable center vents with individual airflow control
- Two side vents for rear passenger comfort
- Footwell vents with 20 L/s airflow capacity
- Defroster vents with 15 L/s airflow capacity
Airflow Patterns
- Automatic mode adjusts airflow based on temperature settings
- Manual mode allows direct control over vent selection
- Defrost mode prioritizes windshield and side window clearing
- Recirculation mode reduces external air intake for improved efficiency
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Component Specifications
General Specifications
- System Type
- Automatic Climate Control
- Refrigerant Type
- R134a
- Refrigerant Capacity
- 600 ± 25 g
- Compressor Type
- Variable Displacement
- Compressor Oil Type
- PAG oil
- Compressor Oil Capacity
- 150 ± 10 ml
Blower Motor
- Power Rating
- 200 W
- Voltage
- 12 V
- Airflow Rate
- Max 600 m³/h
- Part Number
- 64 11 9 178 123
- Operational Temperature Range
- -40°C to 85°C
Heating System
- Heater Core Material
- Aluminum
- Heater Core Dimensions
- 300 mm x 200 mm x 50 mm
- Max Heater Output
- 6 kW
- Coolant Flow Rate
- 10 L/min
- Part Number
- 64 11 9 178 456
Air Conditioning
- Evaporator Core Material
- Aluminum
- Evaporator Core Dimensions
- 250 mm x 150 mm x 40 mm
- Cooling Capacity
- 4.5 kW
- Expansion Valve Type
- Thermostatic
- Part Number
- 64 11 9 178 789
Air Distribution
- Duct Material
- Plastic
- Duct Diameter
- 80 mm
- Airflow Control Type
- Electronic
- Vent Types
-
- Dashboard vents
- Floor vents
- Defrost vents
- Part Number
- 64 11 9 178 321
Filters
- Cabin Air Filter Type
- Combination filter (particulate and activated carbon)
- Cabin Air Filter Dimensions
- 200 mm x 150 mm x 25 mm
- Replacement interval
- 15,000 miles or 12 months
- Part Number
- 64 31 9 178 654
Controls
- Control Unit Type
- Digital
- Temperature Range
- 16°C to 32°C
- Fan Speed Levels
- 8 levels
- Auto Mode
- Yes
- Part Number
- 64 11 9 178 987
Sensors
- interior Temperature Sensor
- Type: NTC thermistorOperational Range: -40°C to 85°CAccuracy: ±0.5°CPart Number: 64 11 9 178 234
- Sunlight Sensor
- Type: PhotodiodeOperational Range: 0 to 100,000 luxPart Number: 64 11 9 178 567
- Evaporator Temperature Sensor
- Type: NTC thermistorOperational Range: -40°C to 120°CAccuracy: ±1°CPart Number: 64 11 9 178 890
Diagnostics
- Fault Codes
-
- P0532
- P0533
- P0534
- P0535
- Diagnostic Tool
- BMW ISTA/D
- Self Diagnosis
- Yes
- Error Log Capacity
- 20 faults
Safety
- High Pressure Cutoff
- 30 bar
- Low Pressure Cutoff
- 1.5 bar
- Overheat Protection
- Yes
- Emergency Shutdown
- Yes
Service Information Service
Detailed service requirements and schedules for the HVAC system
- Inspect and replace cabin air filter
- Check refrigerant level
- Inspect blower motor operation
- Check for leaks in the system
Use only BMW-approved refrigerant and oil
- Inspect and clean evaporator core
- Check compressor operation
- Inspect all hoses and connections
- Perform system pressure test
Ensure all connections are tight and free of leaks
- Replace refrigerant
- Inspect and replace expansion valve if necessary
- Check heater core for blockages
- Inspect and replace any worn components
Follow BMW service procedures for refrigerant handling
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2007-2013 BMW M3 HVAC system?
What is the refrigerant type and capacity for the 2007-2013 BMW M3 HVAC system?
The HVAC system in the 2007-2013 BMW M3 uses R134a refrigerant. The total system capacity is approximately 700-750 grams (24.7-26.5 ounces). Always refer to the vehicle's under-hood label for exact specifications.
Q2 How do I reset the HVAC system after replacing components or performing maintenance?
How do I reset the HVAC system after replacing components or performing maintenance?
To reset the HVAC system, use a BMW-specific diagnostic tool such as ISTA/D or a compatible OBD-II scanner. Navigate to the HVAC control module and perform a reset procedure. This ensures proper calibration of the system and prevents fault codes.
Q3 What is the recommended interval for replacing the cabin air filter in the BMW M3?
What is the recommended interval for replacing the cabin air filter in the BMW M3?
The cabin air filter should be replaced every 15,000-20,000 miles or annually, whichever comes first. In dusty or polluted environments, more frequent replacement may be necessary to maintain optimal HVAC performance.
Q4 What are the common symptoms of a failing HVAC blower motor in the BMW M3?
What are the common symptoms of a failing HVAC blower motor in the BMW M3?
Common symptoms include unusual noises (whirring, grinding), reduced airflow, or complete failure of the blower motor. These issues may be caused by worn bearings, electrical faults, or debris in the blower housing.
Q5 How do I diagnose a refrigerant leak in the HVAC system?
How do I diagnose a refrigerant leak in the HVAC system?
Use a UV dye kit or an electronic leak detector to identify leaks. Common leak points include the compressor seals, O-rings, and condenser connections. Always recharge the system with the correct refrigerant type and quantity after repairs.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
BMW M3 HVAC System Service Manual
Coming SoonOfficial BMW service manual detailing HVAC system components, maintenance procedures, and troubleshooting steps.
HVAC Refrigerant Handling Guide
Coming SoonComprehensive guide on safely handling and recharging R134a refrigerant in BMW vehicles.
Cabin Air Filter Replacement Tutorial
Coming SoonStep-by-step video tutorial for replacing the cabin air filter in the 2007-2013 BMW M3.
BMW ISTA/D Diagnostic Software Overview
Coming SoonOverview of BMW's ISTA/D diagnostic software for resetting and calibrating HVAC systems.
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Technical Information
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