BMW 750i 2015-present HVAC Specifications
Detailed technical specifications for the HVAC system in the 2015-Present BMW 750i, including component details, performance metrics, and troubleshooting tips.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2015-Present BMW 750i, including key features, measurements, and technical details. This section provides detailed insights into the heating, ventilation, and air conditioning system, ensuring optimal performance and comfort.
How to Use
Use the search function to locate specific HVAC specifications by entering keywords such as 'blower motor', 'refrigerant capacity', or 'temperature control'.
Navigate through the HVAC documentation sections using the table of contents or by scrolling through the major sections. Each section is clearly labeled for easy access.
Key Specifications
Refrigerant Capacity
550 g ± 20 g
Heater Core Output
5.5 kW at 90°C
Temperature Range
60°F to 84°F (15.5°C to 29°C)
Filter Efficiency
99.97% at 0.3 microns
Available Specifications
Climate Control System
This section covers the advanced climate control system of the BMW 750i, including its dual-zone automatic temperature control, air distribution, and filtration features.
Climate Control System
This section covers the advanced climate control system of the BMW 750i, including its dual-zone automatic temperature control, air distribution, and filtration features.
Dual-Zone Automatic Temperature Control
- Independent temperature control for driver and front passenger
- Temperature range: 60°F to 84°F (15.5°C to 29°C)
- Precision control with 0.5°F (0.3°C) increments
- Automatic air recirculation based on external air quality
Air Distribution System
- Multi-level air vents for optimized airflow
- Adjustable airflow direction and intensity
- Automatic air distribution based on cabin temperature
- Rear-seat ventilation with independent controls
Note: The air distribution system is designed to minimize noise while maximizing comfort.
Heating and Cooling Components
This section details the heating and cooling components, including the heater core, evaporator, and refrigerant system.
Heating and Cooling Components
This section details the heating and cooling components, including the heater core, evaporator, and refrigerant system.
Heater Core Specifications
- High-efficiency aluminum heater core
- Heat output: 5.5 kW at 90°C coolant temperature
- Compact design for space optimization
- Integrated temperature sensors for precise control
Refrigerant System
- Refrigerant type: R1234yf
- Refrigerant capacity: 550 g ± 20 g
- Operating pressure: 2.5 MPa (362.6 psi) max
- Evaporator temperature range: 2°C to 10°C (35.6°F to 50°F)
Note: The refrigerant system is environmentally friendly and complies with global regulations.
Air Quality and Filtration
This section focuses on the air quality management system, including the cabin air filter and ionizer.
Air Quality and Filtration
This section focuses on the air quality management system, including the cabin air filter and ionizer.
Cabin Air Filter
- High-efficiency particulate air (HEPA) filter
- Filter replacement interval: 15,000 miles or 12 months
- Activated carbon layer for odor reduction
- Particle filtration efficiency: 99.97% at 0.3 microns
Ionizer System
- Negative ion generator for air purification
- Ion concentration: 1,000,000 ions/cm³
- Automatic activation based on air quality sensors
- Reduces allergens and airborne bacteria
Note: The ionizer system enhances air quality, especially in urban environments.
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Component Specifications
General Specifications
- System Type
- Automatic Climate Control with Dual-Zone Temperature Regulation
- Refrigerant Type
- R-1234yf
- Refrigerant Capacity
- 500 ± 20 g
- Compressor Type
- Variable Displacement Compressor
- Blower Motor Power
- 200 W
- Airflow Capacity
- Up to 12 m³/min
Temperature Control
- Temperature Range
- 16°C to 28°C
- Temperature Resolution
- 0.5°C
- Dual Zone Differential
- ± 2°C
- Sensor Accuracy
- ± 0.5°C
Air Distribution
- Vent Modes
-
- Face
- Footwell
- Defrost
- Combination
- Airflow Direction Adjustment
- 8-way adjustable
- Recirculation Mode
- Automatic and Manual
- Air Quality Sensor
- Integrated PM2.5 and VOC sensor
Heating System
- Heater Core Type
- Aluminum
- Heater Core Capacity
- 5.5 kW
- Auxiliary Heater
- Electric PTC Heater
- Auxiliary Heater Power
- 1.5 kW
Cooling System
- Evaporator Type
- Plate-Fin
- Evaporator Capacity
- 4.2 kW
- Condenser Type
- Parallel Flow
- Condenser Capacity
- 6.0 kW
Filters
- Cabin Air Filter Type
- Combination Particulate and Activated Carbon
- Cabin Air Filter Part Number
- 64 31 9 388 932
- Filter Replacement interval
- Every 15,000 miles or 12 months
- Filter Efficiency
- PM2.5 filtration efficiency > 95%
Electrical Specifications
- System Voltage
- 12 V DC
- Compressor Power Consumption
- Up to 600 W
- Blower Motor Current
- Up to 16.7 A
- Auxiliary Heater Current
- Up to 125 A
Diagnostic Specifications
- Diagnostic interface
- OBD-II
- Fault Codes
-
- B1234
- B1235
- B1236
- Self Diagnosis
- Automatic fault detection and reporting
- Sensor Monitoring
- Real-time monitoring of all sensors
Maintenance Specifications
- Refrigerant Recharge interval
- Every 2 years or 24,000 miles
- System Pressure Check
- Every 12 months
- Compressor Oil Check
- Every 50,000 miles
- Blower Motor inspection
- Every 30,000 miles
Safety Specifications
- High Pressure Cutoff
- 3.5 MPa
- Low Pressure Cutoff
- 0.2 MPa
- Overheat Protection
- Automatic shutdown at 120°C
- Electrical Fuse Rating
- 20 A
Service Information Service
Detailed service requirements and schedules for the HVAC system
- Replace cabin air filter
- Inspect blower motor
- Check refrigerant levels
Ensure all connections are secure and free of debris
- Inspect compressor and belts
- Check system pressure
- Test auxiliary heater
Use only BMW-approved refrigerant and lubricants
- Replace refrigerant
- Inspect evaporator and condenser
- Check electrical connections
Perform a full system diagnostic after service
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2015-Present BMW 750i HVAC system?
What is the refrigerant type and capacity for the 2015-Present BMW 750i HVAC system?
The HVAC system in the 2015-Present BMW 750i uses R-1234yf refrigerant, with a total system capacity of approximately 525 grams (18.5 ounces). This refrigerant is environmentally friendly and complies with current regulations.
Q2 How does the automatic climate control system work in the BMW 750i?
How does the automatic climate control system work in the BMW 750i?
The automatic climate control system in the BMW 750i uses multiple sensors to monitor cabin temperature, humidity, and sunlight intensity. It adjusts airflow, temperature, and fan speed automatically to maintain the desired comfort level. The system also includes a microfilter to improve air quality.
Q3 What is the recommended service interval for the HVAC system in the BMW 750i?
What is the recommended service interval for the HVAC system in the BMW 750i?
BMW recommends inspecting the HVAC system every 20,000 miles or 24 months, whichever comes first. This includes checking refrigerant levels, inspecting the compressor, and replacing the cabin microfilter. Regular maintenance ensures optimal performance and longevity.
Q4 Can I replace the cabin air filter myself, or does it require professional service?
Can I replace the cabin air filter myself, or does it require professional service?
The cabin air filter in the BMW 750i can be replaced by the owner, but it requires accessing the filter housing located behind the glove compartment. BMW provides detailed instructions in the owner's manual. However, if you are unsure, it is recommended to have it replaced by a certified BMW technician to avoid damaging components.
Q5 What are the common symptoms of a failing HVAC compressor in the BMW 750i?
What are the common symptoms of a failing HVAC compressor in the BMW 750i?
Common symptoms of a failing HVAC compressor include reduced cooling performance, unusual noises (such as grinding or squealing), and visible refrigerant leaks. If you notice any of these signs, it is crucial to have the system inspected by a professional to prevent further damage.
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 750i HVAC System Overview
Coming SoonA detailed guide to the HVAC system in the 2015-Present BMW 750i, including component locations and functions.
Refrigerant Handling and Safety Guidelines
Coming SoonLearn about the proper handling, storage, and disposal of R-1234yf refrigerant used in the BMW 750i HVAC system.
Cabin Air Filter Replacement Tutorial
Coming SoonStep-by-step instructions for replacing the cabin air filter in the BMW 750i, including tools required and safety precautions.
Diagnosing HVAC System Issues
Coming SoonA troubleshooting guide for common HVAC problems in the BMW 750i, including diagnostic codes and repair recommendations.
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