BMW 340i 2012-2018 HVAC Specifications
Explore the detailed HVAC specifications for the 2012-2018 BMW 340i, including system components, maintenance tips, and technical insights.
2012-2018 BMW 340i HVAC Specifications Overview Specifications
This document provides a comprehensive overview of the HVAC (Heating, Ventilation, and Air Conditioning) system specifications for the 2012-2018 BMW 340i. It includes detailed information about system components, performance metrics, and maintenance requirements. Use this guide to understand the capabilities and operational parameters of your vehicle's HVAC system. Navigate through the sections to find specific details or refer to the quick reference section for key specifications.
How to Use
To search for specific information, use the search functionality by typing keywords related to the HVAC system (e.g., 'compressor,' 'heating capacity,' or 'air filter'). The search will highlight relevant sections and subsections.
Navigate through the document by selecting sections from the table of contents. Each section contains subsections with detailed technical specifications. Use the quick reference section for a summary of key HVAC specifications.
Key Specifications
Heating Capacity
35 kW
Cooling Capacity
12,000 BTU/h
Refrigerant Type
R-1234yf
Cabin Air Filter Type
Activated Carbon
Heating Time to 22°C
5 minutes
Available Specifications
Heating System
The heating system in the 2012-2018 BMW 340i is designed to provide optimal cabin comfort during cold weather conditions. It includes a high-performance heater core, electric cooling fan, and advanced temperature control mechanisms. This section details the technical specifications and operational parameters of the heating system.
Heating System
The heating system in the 2012-2018 BMW 340i is designed to provide optimal cabin comfort during cold weather conditions. It includes a high-performance heater core, electric cooling fan, and advanced temperature control mechanisms. This section details the technical specifications and operational parameters of the heating system.
Heating System Components
- Heater core with integrated temperature sensor
- Electric cooling fan with variable speed control
- Cabin air temperature sensor
- Heater control valve with electronic actuation
- Coolant lines with insulation
- Blower motor with multi-speed functionality
Heating Performance
- Maximum heating capacity: 35 kW
- Heating time to reach 22°C (72°F) from -20°C (-4°F): 5 minutes
- Airflow rate: 300 liters per second
- Temperature control range: -20°C to 32°C (-4°F to 90°F)
- Defrost mode activation time: 30 seconds
Cooling System
The cooling system in the 2012-2018 BMW 340i is engineered to maintain optimal engine and cabin temperatures during hot weather. It incorporates a high-efficiency compressor, condenser, and evaporator. This section provides detailed specifications for the cooling system components and performance metrics.
Cooling System
The cooling system in the 2012-2018 BMW 340i is engineered to maintain optimal engine and cabin temperatures during hot weather. It incorporates a high-efficiency compressor, condenser, and evaporator. This section provides detailed specifications for the cooling system components and performance metrics.
Cooling System Components
- High-efficiency scroll compressor
- Condenser with dual fan configuration
- Evaporator with integrated expansion valve
- Refrigerant lines with insulation
- Cabin air temperature sensor
- Electronic expansion valve
Cooling Performance
- Maximum cooling capacity: 12,000 BTU/h
- Refrigerant type: R-1234yf
- Compressor speed range: 500-1500 RPM
- Condenser fan speed range: 500-2000 RPM
- Evaporator temperature range: 3°C to 15°C (37°F to 59°F)
- Refrigerant pressure range: 50-150 PSI
Air Quality and Filtration
The air quality and filtration system in the 2012-2018 BMW 340i is designed to provide clean and fresh air to the cabin. It includes advanced air filters and sensors to monitor and maintain air quality. This section details the specifications for the air filtration and quality control systems.
Air Quality and Filtration
The air quality and filtration system in the 2012-2018 BMW 340i is designed to provide clean and fresh air to the cabin. It includes advanced air filters and sensors to monitor and maintain air quality. This section details the specifications for the air filtration and quality control systems.
Air Filtration Components
- Cabin air filter with activated carbon
- Air quality sensor with particulate matter detection
- Automatic recirculation mode
- Dual-zone air distribution system
- Filter replacement interval: 15,000 miles or 24,000 km
- HEPA filter option available
Controls and Features
The HVAC system in the 2012-2018 BMW 340i is controlled by an advanced electronic control unit with various convenience features. This section provides details on the control systems and additional features.
Controls and Features
The HVAC system in the 2012-2018 BMW 340i is controlled by an advanced electronic control unit with various convenience features. This section provides details on the control systems and additional features.
Control Systems
- Electronic control unit with self-diagnostic capabilities
- Dual-zone automatic climate control
- Touchscreen interface with HVAC controls
- Voice command integration
- Remote control via BMW ConnectedDrive
- Automatic defrost mode
Additional Features
- Heated seats with temperature control
- Heated steering wheel
- Windshield defroster with timer
- Cabin pre-conditioning (heating or cooling) via remote start
- Air recirculation mode with automatic activation
- Cabin air quality monitoring
Maintenance and Service
Regular maintenance is essential to ensure optimal performance of the HVAC system in the 2012-2018 BMW 340i. This section provides service intervals and recommendations for maintaining the system.
Maintenance and Service
Regular maintenance is essential to ensure optimal performance of the HVAC system in the 2012-2018 BMW 340i. This section provides service intervals and recommendations for maintaining the system.
Service Intervals
- Cabin air filter replacement: every 15,000 miles or 24,000 km
- Refrigerant level check: every 30,000 miles or 48,000 km
- Compressor belt inspection: every 50,000 miles or 80,000 km
- Condenser and evaporator cleaning: every 60,000 miles or 96,000 km
- Heater core flushing: every 100,000 miles or 160,000 km
- System diagnostic check: every 30,000 miles or 48,000 km
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Automatic Climate Control
- Configuration
- Dual-Zone Automatic Climate Control
- Platform
- F30
- Material
- Plastic and Aluminum
- Location
- Under Dashboard, Driver Side
Dimensions
- Overall Width
- 12.5 in (318 mm)
- Overall Height
- 9.8 in (250 mm)
- Overall Depth
- 15.7 in (400 mm)
- Core Width
- 8.5 in (216 mm)
- Core Height
- 5.9 in (150 mm)
- Airflow Rate
- 300 CFM (850 m3/h)
- Weight
- 23.4 lbs (10.6 kg)
- Refrigerant Capacity
- 28 oz (794 g)
Materials
- Heat Exchanger
- Aluminum
- Blower Motor Housing
- High-Density Polypropylene
- Ducting
- Polypropylene and Polyester
- Condenser
- Aluminum
Features
- Air Quality Features
-
- Activated Carbon Air Filter
- Automatic Air Recirculation
- Pollutant Sensor
- Climate Control Features
-
- Dual-Zone Temperature Control
- Automatic Climate Control
- Airflow Direction Control
- Airflow Management
-
- Variable Speed Blower Motor
- Multi-Zone Airflow Distribution
- Recirculation Mode
- Temperature Control
-
- Electronic Temperature Control
- Heated Air Option
- Ambient Temperature Display
Safety Features
- Overheat Protection
-
- Temperature Sensors
- Thermal Cut-Off
- Coolant Level Monitoring
- Pressure Protection
-
- High-Pressure Cut-Off Switch
- Low-Pressure Sensor
- Pressure Relief Valve
- System Safety
-
- Crash Sensor Integration
- Automatic Shut-Off
- Leak Detection
Comfort Features
- Air Distribution
-
- Dual-Zone Vents
- Rear Seat Ventilation
- Floor and Dash Vents
- Filtration
-
- Cabin Air Filter
- Pollutant-Sensing Filter
- Bacterial Filter
- Noise Reduction
-
- Silent Blower Operation
- Noise-Reducing Ducting
- Vibration Dampening
Accessories
- Filtration Accessories
-
- Replacement Cabin Air Filter
- Activated Carbon Filter Kit
- Anti-Bacterial Filter Kit
- Ventilation Accessories
-
- Rear Seat Ventilation Kit
- Trunk Ventilation Duct
- Cabin Air Quality Sensor
- Control Accessories
-
- Remote Climate Control
- Touchscreen Interface
- Voice Command Integration
Maintenance
- Service interval
-
- Inspect and Replace Cabin Air Filter every 15,000 miles or 24,000 km
- Check Refrigerant Levels every 30,000 miles or 48,000 km
- Inspect Ducts and Vents every 45,000 miles or 72,000 km
- Clean Condenser Coils every 60,000 miles or 96,000 km
- Replace Blower Motor Resistor every 90,000 miles or 145,000 km
- Maintenance Notes
-
- Use OEM or equivalent filters
- Ensure proper refrigerant handling
- Check for duct leaks
- Clean condenser coils annually
- Inspect belts and hoses
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Parts and Labor
- Powertrain Warranty
- Miles: 100,000Years: 5Coverage: HVAC Components
- Corrosion Perforation Warranty
- Miles: 100,000Years: 12Coverage: Sheet Metal
- Maintenance Warranty
- Miles: 50,000Years: 4Coverage: Maintenance Services
Production Details
- Manufacturer
- BMW Group
- Manufacturing Process
-
- Robotically Welded Components
- Laser-Cut Ducting
- Automated Assembly Lines
- Quality Control Inspections
- Quality Control
- inspection Checklist: Leak Testing, Flow Rate Measurement, Noise Level Testing, Temperature AccuracyCertifications: ISO 9001, IATF 16949, ISO 14001
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Manufacturing
- Low-VOC Paints
- End-of-Life Recycling
- Production Metrics
- Units Per Day: 500Cycle Time: 45 minutesDefect Rate: <1%Energy Consumption: 2.5 kWh/unit
Service Information for HVAC Service
Maintenance and service requirements specific to this component
- Inspect and Replace Cabin Air Filter
- Check Refrigerant Levels
- Inspect Ducts and Vents
- Clean Blower Motor
- Check for Leaks
Standard maintenance interval
- Inspect Condenser Coils
- Check Blower Motor Resistor
- Test Temperature Sensor
- Inspect Heated Core
- Check for Blockages
Intermediate service interval
- Replace Blower Motor Resistor
- Clean Condenser Coils
- Inspect and Replace Heated Core
- Check for Refrigerant Leaks
- Test Airflow Rate
Major service interval
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the HVAC system in a 2012-2018 BMW 340i?
What are the technical specifications of the HVAC system in a 2012-2018 BMW 340i?
The HVAC system in the 2012-2018 BMW 340i features a dual-zone automatic climate control system with rear air vents. It utilizes R-1234yf refrigerant and includes a compressor, condenser, evaporator, and expansion valve. The system is compatible with OE parts and aftermarket alternatives, ensuring optimal performance and comfort.
Q2 What maintenance is required for the HVAC system?
What maintenance is required for the HVAC system?
Regular maintenance includes replacing the cabin air filter every 15,000 miles, checking refrigerant levels annually, and inspecting hoses and belts for wear. Additionally, ensure proper ventilation by cleaning air vents and drains, and avoid using harsh chemicals that may damage components.
Q3 How do I replace the HVAC blower motor or resistor?
How do I replace the HVAC blower motor or resistor?
To replace the blower motor or resistor, first disconnect the battery. Remove the glove box and lower dashboard trim to access the blower housing. Disconnect electrical connectors and mounting screws, then remove the old component. Install the new part, ensuring proper alignment and secure fastening. Reassemble components and reconnect the battery.
Q4 Why is my HVAC system not cooling or heating properly?
Why is my HVAC system not cooling or heating properly?
Common issues include low refrigerant levels, faulty sensors, or blocked air vents. Check for refrigerant leaks, ensure all vents are unobstructed, and test the temperature sensor. If issues persist, scan for fault codes using a BMW-specific OBD-II tool and address any stored codes.
Q5 How can I optimize the HVAC system's performance?
How can I optimize the HVAC system's performance?
Optimize performance by ensuring proper refrigerant levels, clean air filters, and unobstructed airflow. Use the recirculation mode to reduce external contamination and avoid extreme temperature settings. Regular maintenance and inspections will also ensure consistent heating and cooling performance.
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 340i HVAC Service Manual
Coming SoonComprehensive guide covering HVAC system diagnostics, maintenance, and repair procedures for 2012-2018 models.
Technical Bulletin: HVAC System Update
Coming SoonOfficial BMW technical bulletin addressing software updates and improvements for HVAC control units in 2012-2018 models.
BMW Parts Catalog: HVAC Components
Coming SoonDetailed listing of OE and compatible aftermarket parts for the HVAC system, including filters, sensors, and actuators.
About the Author
Expert automotive knowledge and experience
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.