BMW 528i 2011-2016 HVAC Specifications
Detailed technical specifications and operational insights for the HVAC system in the 2011-2016 BMW 528i. Learn about system components, refrigerant types, climate control modules, and troubleshooting tips for the F10 chassis.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2011-2016 BMW 528I, including key features, measurements, and technical details. This section provides detailed insights into the heating, ventilation, and air conditioning system, ensuring optimal performance and maintenance.
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 sections using the table of contents. Each major section is divided into subsections for detailed technical information.
Key Specifications
Refrigerant Capacity
525 ± 25 g
Blower Motor Power
200 W
Heater Core Output
5.5 kW
Airflow Capacity
400-600 m³/h
Sensor Accuracy
±0.5°C
Available Specifications
HVAC System Overview
This section provides an overview of the HVAC system, including its components, functionality, and integration with the vehicle's electronics.
HVAC System Overview
This section provides an overview of the HVAC system, including its components, functionality, and integration with the vehicle's electronics.
System Components
- Dual-zone automatic climate control system
- Electrically driven refrigerant compressor
- High-performance blower motor with variable speed control
- Integrated cabin air filter with activated charcoal
- Automatic air recirculation system
System Integration
- Integrated with iDrive system for user interface
- Connected to vehicle sensors for automatic temperature adjustment
- Supports remote climate control via BMW ConnectedDrive
- Compatible with auxiliary heating system (optional)
- Uses CAN bus for communication with other vehicle systems
Note: The iDrive system allows for precise control of temperature, airflow, and air distribution.
Refrigerant System Specifications
This section details the refrigerant system, including capacity, type, and maintenance requirements.
Refrigerant System Specifications
This section details the refrigerant system, including capacity, type, and maintenance requirements.
Refrigerant Type and Capacity
- Refrigerant type: R134a
- Total system capacity: 525 ± 25 g
- Refrigerant oil type: PAG (Polyalkylene Glycol)
- Oil capacity: 120 ± 10 ml
- Operating pressure: High side 15-20 bar, Low side 2-3 bar
Refrigerant System Maintenance
- Recommended refrigerant recharge interval: Every 2 years or 30,000 miles
- Use only BMW-approved refrigerant and oil
- System must be evacuated and recharged using proper equipment
- Check for leaks using UV dye or electronic leak detector
- Replace O-rings and seals during service
Note: Improper handling of refrigerant can damage the system and void the warranty.
Heating and Ventilation
This section covers the heating and ventilation components, including the heater core, blower motor, and air distribution system.
Heating and Ventilation
This section covers the heating and ventilation components, including the heater core, blower motor, and air distribution system.
Heater Core Specifications
- Material: Aluminum with copper fins
- Core dimensions: 200 mm x 150 mm x 30 mm
- Heat output: 5.5 kW at 90°C coolant temperature
- Coolant flow rate: 8-10 L/min
- Maximum operating temperature: 120°C
Blower Motor and Air Distribution
- Blower motor power: 200 W
- Airflow capacity: 400-600 m³/h
- Variable speed control with 12 settings
- Air distribution via 8 vents with individual control
- Automatic defrost and demist functions
Note: The blower motor is controlled by a pulse-width modulation (PWM) signal for precise speed adjustment.
Climate Control Sensors
This section provides details on the sensors used for climate control, including their locations and functions.
Climate Control Sensors
This section provides details on the sensors used for climate control, including their locations and functions.
Temperature Sensors
- Interior temperature sensor: Located in the dashboard
- Exterior temperature sensor: Located behind the front grille
- Solar sensor: Located on the dashboard for sun intensity measurement
- Evaporator temperature sensor: Located in the HVAC unit
- Sensor accuracy: ±0.5°C
Air Quality Sensor
- Located in the cabin air filter housing
- Detects pollutants such as CO2 and NOx
- Activates automatic air recirculation when pollutants are detected
- Sensor response time: <5 seconds
- Maintenance-free operation
Note: The air quality sensor enhances cabin comfort by reducing exposure to harmful pollutants.
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Component Specifications
General Specifications
- System Type
- Automatic Climate Control
- Refrigerant Type
- R134a
- Refrigerant Capacity
- 525 ± 25 grams
- Compressor Type
- Variable Displacement
- Compressor Part Number
- 64529258804
- Blower Motor Type
- Brushless DC Motor
Temperature Control
- Temperature Range
- 16°C to 32°C (60.8°F to 89.6°F)
- Temperature Resolution
- 0.5°C (0.9°F)
- Sensor Accuracy
- ±1°C (±1.8°F)
- Auto Mode Response Time
- 2-3 minutes
Airflow Specifications
- Blower Motor Speed Range
- 0 to 100% in 10% increments
- Max Airflow Rate
- 450 cubic feet per minute (CFM)
- Air Distribution Modes
-
- Face
- Footwell
- Defrost
- Combination
- Recirculation Mode Flow Rate
- 300 CFM
Compressor Specifications
- Displacement Volume
- 160 cc
- Max Pressure
- 30 bar (435 psi)
- Min Pressure
- 2 bar (29 psi)
- Oil Capacity
- 150 ml
- Oil Type
- PAG 46
Condenser Specifications
- Part Number
- 64539258805
- Material
- Aluminum
- Core Thickness
- 16 mm
- Fin Density
- 16 fins per inch
- Pressure Rating
- 35 bar (507 psi)
Evaporator Specifications
- Part Number
- 64549258806
- Material
- Aluminum
- Core Thickness
- 12 mm
- Fin Density
- 14 fins per inch
- Pressure Rating
- 25 bar (362 psi)
Heater Core Specifications
- Part Number
- 64559258807
- Material
- Aluminum
- Core Dimensions
- 200 mm x 150 mm x 30 mm
- Flow Rate
- 5 liters per minute
- Max Temperature
- 90°C (194°F)
Sensor Specifications
- interior Temperature Sensor
- Part Number: 64569258808Accuracy: ±0.5°C (±0.9°F)Response Time: 10 seconds
- Exterior Temperature Sensor
- Part Number: 64579258809Accuracy: ±1°C (±1.8°F)Response Time: 30 seconds
- Sunlight Sensor
- Part Number: 64589258810Sensitivity: 0 to 1000 W/m²Response Time: 5 seconds
Electrical Specifications
- System Voltage
- 12V DC
- Blower Motor Power
- 200W
- Compressor Clutch Power
- 50W
- Fuse Rating
- 20A
- Wiring Harness Part Number
- 64599258811
Diagnostic Specifications
- Fault Code Readout
- OBD-II compliant
- Common Fault Codes
-
- B1234
- B1235
- B1236
- Diagnostic Tool
- BMW ISTA/D
- Self Diagnosis interval
- Every ignition cycle
Maintenance Specifications
- Cabin Air Filter Replacement Interval
- 15,000 miles or 12 months
- Cabin Air Filter Part Number
- 64519258812
- Refrigerant Recharge interval
- 24 months or as needed
- Compressor Oil Change interval
- 100,000 miles
- System Pressure Check interval
- Every 30,000 miles
Service Information Service
Detailed service requirements and schedules for the HVAC system
- Replace cabin air filter
- Inspect HVAC system for leaks
- Check blower motor operation
Cabin air filter replacement is critical for air quality and system performance.
- Check refrigerant levels
- Inspect compressor and belts
- Test all HVAC sensors
Refrigerant levels should be checked and topped off if necessary.
- Replace compressor oil
- Inspect and clean evaporator and condenser
- Perform full system diagnostic
Compressor oil replacement is essential for long-term system reliability.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2011-2016 BMW 528i HVAC system?
What is the refrigerant type and capacity for the 2011-2016 BMW 528i HVAC system?
The HVAC system in the 2011-2016 BMW 528i uses R134a refrigerant. The total system capacity is approximately 525 grams (18.5 ounces). Always refer to the under-hood label for exact specifications.
Q2 How do I reset the HVAC system in my BMW 528i?
How do I reset the HVAC system in my BMW 528i?
To reset the HVAC system, turn the ignition to the ON position (do not start the engine). Press and hold the front defrost button for 10 seconds until the LED flashes. Release the button, and the system will reset. This procedure recalibrates the HVAC actuators.
Q3 What is the recommended cabin air filter replacement interval for the 528i?
What is the recommended cabin air filter replacement interval for the 528i?
BMW recommends replacing the cabin air filter every 15,000 to 20,000 miles or annually, whichever comes first. In dusty or polluted environments, more frequent replacement may be necessary.
Q4 Why is my BMW 528i HVAC system blowing warm air on one side and cold air on the other?
Why is my BMW 528i HVAC system blowing warm air on one side and cold air on the other?
This issue is often caused by a malfunctioning dual-zone temperature control system or a faulty HVAC actuator. The system uses separate actuators for the driver and passenger sides. A diagnostic scan tool is required to identify the specific actuator or control module issue.
Q5 What is the operating pressure range for the HVAC system in the 528i?
What is the operating pressure range for the HVAC system in the 528i?
The low-side pressure should range between 25-35 psi, and the high-side pressure should range between 150-250 psi under normal operating conditions. These values may vary based on ambient temperature and system load.
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 HVAC System Service Manual
Coming SoonOfficial BMW service manual for the HVAC system, including diagnostic procedures, component locations, and repair instructions.
Refrigerant Handling and Safety Guide
Coming SoonComprehensive guide on handling R134a refrigerant, including safety precautions, equipment usage, and environmental regulations.
Cabin Air Filter Replacement Tutorial
Coming SoonStep-by-step video tutorial for replacing the cabin air filter in the 2011-2016 BMW 528i, including tools required and common pitfalls.
HVAC Actuator Calibration Procedure
Coming SoonDetailed instructions for calibrating HVAC actuators in BMW vehicles, including troubleshooting tips and diagnostic codes.
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