BMW 330i 2012-2018 HVAC Specifications
Detailed technical specifications and repair guidelines for the HVAC system in the 2012-2018 BMW 330i. Includes component details, refrigerant requirements, and troubleshooting tips for the climate control system.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2012-2018 BMW 330I, including key features, measurements, and technical details. This documentation covers the heating, ventilation, and air conditioning system, providing detailed insights into 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 easy access to specific technical details.
Key Specifications
Refrigerant Capacity
525 ± 25 g
Cooling Capacity
4.2 kW
Heater Output
6.5 kW
Airflow Rate
450 m³/h
Filter Efficiency
> 95% for PM2.5
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-capacity blower motor with variable speed control
- Integrated cabin air filter for improved air quality
- Refrigerant type: R134a, capacity: 525 ± 25 g
Control and Interface
- iDrive-controlled climate settings with touchscreen interface
- Temperature range: 16°C to 28°C (60.8°F to 82.4°F)
- Automatic air recirculation mode for optimal air quality
- Heated seats and steering wheel integration
- Rear ventilation system with adjustable vents
Note: The iDrive system allows for precise control of HVAC settings, including fan speed, temperature, and air distribution.
Heating System Specifications
Detailed technical specifications of the heating system, including performance metrics and component details.
Heating System Specifications
Detailed technical specifications of the heating system, including performance metrics and component details.
Heater Core and Performance
- Heater core material: Aluminum, dimensions: 200 x 150 x 30 mm
- Maximum heat output: 6.5 kW at 90°C coolant temperature
- Coolant flow rate: 10 L/min at full load
- Integrated electric auxiliary heater for faster warm-up
- Temperature control accuracy: ±1°C
Defrosting and Ventilation
- Front windshield defrosting time: < 5 minutes at -20°C
- Rear window defogger with integrated heating elements
- Airflow distribution: 4 modes (face, foot, windshield, combined)
- Maximum airflow rate: 450 m³/h
- Dual-zone temperature control with independent settings
Note: The defrosting system is optimized for rapid clearing of fog and ice, ensuring driver visibility in cold conditions.
Air Conditioning System Specifications
Technical details of the air conditioning system, including cooling performance and refrigerant specifications.
Air Conditioning System Specifications
Technical details of the air conditioning system, including cooling performance and refrigerant specifications.
Cooling Performance
- Cooling capacity: 4.2 kW at 35°C ambient temperature
- Compressor type: Electrically driven, variable displacement
- Refrigerant pressure: High side: 15-20 bar, Low side: 2-3 bar
- Evaporator temperature range: 2°C to 10°C
- Condenser dimensions: 400 x 300 x 20 mm
Refrigerant and Maintenance
- Refrigerant type: R134a, compliant with environmental standards
- Refrigerant capacity: 525 ± 25 g
- Recommended service interval: Every 2 years or 30,000 miles
- Leak detection system with automatic shutoff
- Recharge procedure: Requires specialized equipment and trained technicians
Note: Regular maintenance of the refrigerant system is critical to ensure optimal cooling performance and prevent leaks.
Air Quality and Filtration
Details on the air filtration system and features designed to improve cabin air quality.
Air Quality and Filtration
Details on the air filtration system and features designed to improve cabin air quality.
Cabin Air Filter
- Filter type: Activated carbon with multi-layer filtration
- Filter dimensions: 250 x 200 x 30 mm
- Replacement interval: Every 15,000 miles or 12 months
- Particle filtration efficiency: > 95% for PM2.5
- Odor reduction capability: > 80% for common pollutants
Air Quality Sensors
- Integrated particulate matter (PM2.5) sensor
- Automatic air recirculation based on external air quality
- CO2 sensor for monitoring cabin air freshness
- Sensor response time: < 10 seconds
- Filter replacement indicator on the iDrive display
Note: The air quality system automatically adjusts ventilation settings to maintain optimal cabin air quality.
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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
- 150 ± 10 ml
Blower Motor
- Power Rating
- 200 W
- Voltage
- 12 V
- Airflow Capacity
- 450 m³/h
- Part Number
- 64119264275
- 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
- Maximum Heater Output
- 6 kW
- Coolant Flow Rate
- 10 L/min
- Part Number
- 64119264276
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
- 64119264277
Air Distribution
- Vent Types
-
- Dashboard Vents
- Floor Vents
- Defrost Vents
- Vent Material
- ABS Plastic
- Airflow Direction Control
- Automatic and Manual
- Recirculation Mode
- Automatic and Manual
- Part Number
- 64119264278
Filters
- Cabin Air Filter Type
- Combination Filter (Particle 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
- 64119264279
Sensors
- interior Temperature Sensor
- Type: NTC ThermistorOperational Range: -40°C to 85°CAccuracy: ±0.5°CPart Number: 64119264280
- Exterior Temperature Sensor
- Type: NTC ThermistorOperational Range: -40°C to 85°CAccuracy: ±1°CPart Number: 64119264281
- Sunlight Sensor
- Type: PhotodiodeOperational Range: 0 to 100,000 LuxPart Number: 64119264282
Control Unit
- Type
- IHKA Control Module
- Voltage
- 12 V
- Operational Temperature Range
- -40°C to 85°C
- Part Number
- 64119264283
- Diagnostic interface
- CAN Bus
Ducting And Hoses
- Material
- Reinforced Rubber and Plastic
- Diameter Range
- 20 mm to 50 mm
- Maximum Pressure Rating
- 30 psi
- Temperature Rating
- -40°C to 120°C
- Part Number
- 64119264284
Operational Parameters
- Temperature Setting Range
- 16°C to 32°C
- Fan Speed Range
- 1 to 8 levels
- Defrost Time
- 3 to 5 minutes
- Recirculation Time Limit
- 30 minutes
Diagnostic Specifications
- Fault Codes
-
- IHKA-01
- IHKA-02
- IHKA-03
- Diagnostic Tool
- BMW ISTA
- Diagnostic interface
- OBD-II
- Self Diagnosis Capability
- Yes
Service Information Service
Detailed service requirements and schedules for the HVAC system
- Inspect and replace cabin air filter
- Check refrigerant level and pressure
- Inspect blower motor and ducts
Ensure all connections are secure and free of debris
- Inspect and clean evaporator core
- Check heater core for leaks
- Inspect and test all sensors
Use BMW-approved cleaning agents and tools
- Replace refrigerant
- Inspect and replace compressor oil
- Check and recalibrate control unit
Follow BMW refrigerant handling procedures
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2012-2018 BMW 330i HVAC system?
What is the refrigerant type and capacity for the 2012-2018 BMW 330i HVAC system?
The HVAC system in the 2012-2018 BMW 330i uses R134a refrigerant. The total system capacity is approximately 525 grams (18.5 ounces). Always ensure the refrigerant is handled by a certified technician to avoid system contamination.
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 HVAC system maintenance?
What is the recommended interval for HVAC system maintenance?
BMW recommends inspecting the HVAC system every 30,000 miles or 3 years, whichever comes first. This includes checking refrigerant levels, inspecting the compressor, and replacing the cabin air filter every 15,000-20,000 miles.
Q4 How does the automatic climate control system work in the 2012-2018 BMW 330i?
How does the automatic climate control system work in the 2012-2018 BMW 330i?
The automatic climate control system uses sensors to monitor cabin temperature, sunlight intensity, and humidity. It adjusts fan speed, air distribution, and temperature to maintain the set comfort level. The system also includes a microfilter to improve air quality.
Q5 What are the common symptoms of a failing HVAC blower motor?
What are the common symptoms of a failing HVAC blower motor?
Common symptoms include unusual noises (whining or grinding), reduced airflow, or complete failure of the blower motor. If these symptoms occur, inspect the blower motor resistor and wiring harness, and replace the motor 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 HVAC System Maintenance Guide
Coming SoonA detailed guide on maintaining the HVAC system, including refrigerant handling, filter replacement, and system diagnostics.
BMW Genuine Parts Catalog
Coming SoonAccess the official BMW parts catalog to find genuine HVAC components for your 2012-2018 BMW 330i.
HVAC System Troubleshooting Manual
Coming SoonStep-by-step troubleshooting guide for common HVAC issues, including error codes and repair procedures.
BMW Technical Service Bulletins
Coming SoonReview official BMW service bulletins for updates and recalls related to the HVAC system.
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