BMW Z4 2009-2016 HVAC Specifications
Detailed technical specifications and operational insights for the HVAC system in the 2009-2016 BMW Z4. Learn about system components, refrigerant types, control mechanisms, and troubleshooting tips.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2009-2016 BMW Z4, including key features, measurements, and technical details. This section covers the heating, ventilation, and air conditioning system, focusing on its components, performance, and maintenance requirements.
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
Cooling Capacity
5.5 kW at 2000 rpm
Heating Capacity
6.0 kW at 2000 rpm
Refrigerant Capacity
525 ± 25 g
Cabin Air Filter Replacement
15,000 miles or 12 months
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 compressor for efficient cooling
- High-performance blower motor with variable speed control
- Integrated cabin air filter for improved air quality
- Automatic recirculation mode for optimal air management
System Integration
- Integrated with iDrive system for user interface control
- Linked to vehicle sensors for automatic temperature adjustment
- Compatible with BMW ConnectedDrive for remote climate control
- Supports eco-pro mode for energy-efficient operation
Note: The HVAC system is designed to work seamlessly with the vehicle's electronics, ensuring optimal performance and user convenience.
Performance Specifications
This section details the performance metrics of the HVAC system, including cooling capacity, heating efficiency, and airflow rates.
Performance Specifications
This section details the performance metrics of the HVAC system, including cooling capacity, heating efficiency, and airflow rates.
Cooling Performance
- Maximum cooling capacity: 5.5 kW at 2000 rpm
- Refrigerant type: R134a, capacity: 525 ± 25 g
- Evaporator temperature range: 2°C to 10°C
- Compressor displacement: 120 cc/rev
Heating Performance
- Heating capacity: 6.0 kW at 2000 rpm
- Coolant flow rate: 12 L/min at full load
- Heater core temperature range: 80°C to 95°C
- Automatic temperature control accuracy: ±1°C
Note: The heating system is optimized for quick warm-up and consistent cabin temperature.
Maintenance and Service
This section covers maintenance requirements, service intervals, and troubleshooting tips for the HVAC system.
Maintenance and Service
This section covers maintenance requirements, service intervals, and troubleshooting tips for the HVAC system.
Routine Maintenance
- Cabin air filter replacement interval: 15,000 miles or 12 months
- Refrigerant level check: Every 30,000 miles
- Blower motor inspection: Every 20,000 miles
- System pressure test: Every 50,000 miles
Troubleshooting
- Common issues: Reduced airflow, uneven cooling, or unusual noises
- Diagnostic tool: BMW ISTA for system error codes
- Check for refrigerant leaks using UV dye
- Inspect electrical connections for corrosion or damage
Note: Regular maintenance ensures optimal performance and longevity of the HVAC system.
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
General Specifications
- System Type
- Automatic Climate Control
- Refrigerant Type
- R134a
- Refrigerant Capacity
- 525 ± 25 g
- Compressor Type
- Variable Displacement
- Compressor Oil Type
- PAG oil
- Compressor Oil Capacity
- 120 ± 10 ml
Blower Motor
- Power Rating
- 200 W
- Voltage
- 12 V
- Airflow Rate
- Max 450 m³/h
- Part Number
- 64 11 9 157 812
- Operational Temperature Range
- -40°C to 85°C
Heating System
- Heater Core Material
- Aluminum
- Heater Core Dimensions
- 200 mm x 150 mm x 30 mm
- Max Heater Output
- 6 kW
- Coolant Flow Rate
- 10 L/min
- Part Number
- 64 11 9 157 813
Air Conditioning
- Evaporator Core Material
- Aluminum
- Evaporator Core Dimensions
- 180 mm x 120 mm x 25 mm
- Cooling Capacity
- 4.5 kW
- Expansion Valve Type
- Thermostatic
- Part Number
- 64 11 9 157 814
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 9 157 815
Filters
- Cabin Air Filter Type
- Activated Carbon
- Cabin Air Filter Dimensions
- 200 mm x 150 mm x 20 mm
- Replacement interval
- 15,000 miles or 12 months
- Part Number
- 64 31 9 157 816
- Notes
- Replace more frequently in dusty environments
Sensors
- interior Temperature Sensor
- Type: NTC ThermistorOperational Range: -40°C to 85°CAccuracy: ±0.5°CPart Number: 64 11 9 157 817
- Sunlight Sensor
- Type: PhotodiodeOperational Range: 0 to 100,000 luxPart Number: 64 11 9 157 818
- Humidity Sensor
- Type: CapacitiveOperational Range: 0 to 100% RHAccuracy: ±3% RHPart Number: 64 11 9 157 819
Control Unit
- Type
- Electronic Control Unit (ECU)
- Operational Voltage
- 12 V
- Communication Protocol
- CAN Bus
- Part Number
- 64 11 9 157 820
- Notes
- Integrated with vehicle's main control system
Operational Parameters
- Temperature Setting Range
- 16°C to 32°C
- Fan Speed Levels
-
- Low
- Medium
- High
- Auto
- Defrost Time
- Max 10 minutes
- Notes
- System automatically adjusts based on sensor inputs
Diagnostics
- Fault Codes
-
- P0532
- P0533
- P0534
- P0535
- Diagnostic Tool
- BMW ISTA
- Diagnostic interface
- OBD-II
- Notes
- Use manufacturer-specific diagnostic software for accurate fault reading
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
Perform more frequent checks in dusty or high-humidity environments
- Inspect and clean evaporator core
- Check compressor operation
- Inspect all HVAC ducts for leaks
Ensure all connections are secure and free of debris
- Replace refrigerant
- Inspect and replace expansion valve if necessary
- Check all sensors for proper operation
Use only manufacturer-approved refrigerant and components
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2009-2016 BMW Z4 HVAC system?
What is the refrigerant type and capacity for the 2009-2016 BMW Z4 HVAC system?
The HVAC system in the 2009-2016 BMW Z4 uses R134a refrigerant. The total system capacity is approximately 525 grams (18.5 ounces). Always refer to the vehicle's service manual for precise specifications.
Q2 How do I reset the HVAC system after replacing the cabin air filter?
How do I reset the HVAC system after replacing the cabin air filter?
To reset the HVAC system, turn the ignition to the 'ON' position without starting the engine. Press and hold the 'AUTO' and 'RECIRCULATION' buttons simultaneously for 5 seconds. The system will reset, and the indicator lights will flash to confirm.
Q3 What is the recommended interval for servicing the HVAC system?
What is the recommended interval for servicing the HVAC system?
BMW recommends inspecting the HVAC system every 30,000 miles or 3 years, whichever comes first. This includes checking refrigerant levels, cabin air filter replacement, and inspecting for leaks or system malfunctions.
Q4 How do I diagnose a weak airflow from the HVAC system?
How do I diagnose a weak airflow from the HVAC system?
Weak airflow can result from a clogged cabin air filter, a malfunctioning blower motor, or blocked air ducts. Inspect and replace the cabin air filter if necessary. If the issue persists, check the blower motor and its resistor for proper operation.
Q5 What are the common symptoms of a failing HVAC compressor?
What are the common symptoms of a failing HVAC compressor?
Common symptoms include unusual noises (e.g., grinding or squealing), reduced cooling performance, refrigerant leaks, or the compressor clutch failing to engage. If any of these symptoms occur, the compressor should be inspected and replaced if necessary.
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 Z4 HVAC System Service Manual
Coming SoonOfficial BMW service manual for the HVAC system, including detailed repair procedures, specifications, and troubleshooting guides.
HVAC Refrigerant Charging Guide
Coming SoonStep-by-step guide for safely charging the HVAC system with R134a refrigerant, including pressure specifications and safety precautions.
Cabin Air Filter Replacement Tutorial
Coming SoonVideo tutorial demonstrating the proper procedure for replacing the cabin air filter in the 2009-2016 BMW Z4.
HVAC System Troubleshooting Guide
Coming SoonComprehensive guide to diagnosing and resolving common HVAC system issues, including airflow problems and compressor failures.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.