BMW 430i 2017-present

BMW 430i 2017-present HVAC Specifications

Detailed technical specifications for the HVAC system in the 2017-Present BMW 430I, including component details, performance metrics, and diagnostic procedures.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the HVAC specifications for the 2017-Present BMW 430I, including key features, measurements, and technical details.

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 document. Each section is clearly labeled for easy access.

Key Specifications

Refrigerant Capacity

500 ± 25 grams

Blower Motor Power

200 watts

Airflow Capacity

600 CFM

Temperature Sensor Accuracy

±0.5°C

Refrigerant Type

R-1234yf

Available Specifications

HVAC System Overview

This section provides an overview of the HVAC system, including its components, functionality, and key features.

System Components

Dual-zone automatic climate control system
Electrically driven compressor
High-efficiency particulate air (HEPA) filter
Rear ventilation ducts for passenger comfort
Integrated heating and cooling system

Functionality

Automatic temperature control with individual settings for driver and front passenger
Air conditioning with eco-pro mode for reduced energy consumption
Defrost and defog functions for windshield and side windows
Air distribution control for footwell, dashboard, and windshield vents

Note: The system is designed to maintain optimal cabin temperature while minimizing energy usage.

Refrigerant System

This section covers the refrigerant system, including specifications, capacity, and maintenance details.

Refrigerant Type and Capacity

Refrigerant type: R-1234yf
Total refrigerant capacity: 500 ± 25 grams
Refrigerant oil type: PAG (Polyalkylene Glycol)
Refrigerant oil capacity: 120 ± 10 milliliters

Refrigerant System Components

High-pressure compressor with variable displacement
Condenser with integrated receiver-drier
Expansion valve for precise refrigerant flow control
Evaporator with enhanced heat exchange efficiency

Note: The system is designed to meet stringent environmental regulations.

Blower Motor and Air Distribution

This section details the blower motor, air distribution system, and related components.

Blower Motor Specifications

Blower motor power: 200 watts
Blower motor speed range: 0 to 12,000 RPM
Motor type: Brushless DC motor
Airflow capacity: Up to 600 cubic feet per minute (CFM)

Air Distribution System

Multi-level air distribution with adjustable vents
Automatic air recirculation mode for improved air quality
Dual-zone air distribution for driver and front passenger
Rear seat ventilation with adjustable airflow

Note: The system ensures even air distribution for optimal comfort.

Temperature Control and Sensors

This section covers the temperature control system, including sensors and control mechanisms.

Temperature Sensors

Interior temperature sensor with ±0.5°C accuracy
Exterior temperature sensor with weatherproof housing
Solar sensor for automatic sun load compensation
Evaporator temperature sensor for frost protection

Control Mechanisms

Electronic climate control unit with touchscreen interface
Automatic temperature adjustment based on sensor inputs
Manual override for custom temperature settings
Programmable timer for pre-conditioning the cabin

Note: The system ensures precise temperature control for enhanced comfort.

Search Specifications

Search by specification name, value, or description

Component Specifications

General Specifications

System Type: Automatic Climate Control

Refrigerant Type: R-1234yf

Refrigerant Capacity: 500 ± 20 g

Compressor Type: Variable Displacement

Blower Motor Power: 200 W

Airflow Capacity: 1000 m³/h

Temperature Control

Temperature Range: 16°C to 30°C

Temperature Resolution: 0.5°C

Sensor Accuracy: ±0.5°C

Auto Mode Response Time: 5-10 minutes

Air Distribution

Vent Modes

Face
Foot
Defrost
Auto

Airflow Direction Adjustment: Manual and Automatic

Rear Seat Ventilation: Optional

Rear Vent Airflow: 200 m³/h

Filtration System

Filter Type: Microfilter with Activated Carbon

Filter Part Number: 64 31 9 255 123

Filter Replacement interval: Every 15,000 miles or 12 months

Filter Efficiency: 95% for particles > 0.3 µm

Heating System

Heater Core Material: Aluminum

Heater Core Capacity: 5 kW

Water Valve Type: Electronically Controlled

Water Valve Part Number: 64 11 9 255 456

Cooling System

Evaporator Material: Aluminum

Evaporator Capacity: 3.5 kW

Condenser Material: Aluminum

Condenser Part Number: 64 51 9 255 789

Compressor Specifications

Compressor Part Number: 64 52 9 255 321

Compressor Oil Type: PAG 46

Compressor Oil Capacity: 120 ± 10 ml

Compressor Power Consumption: 400 W

Electrical Specifications

System Voltage: 12 V DC

Blower Motor Current: 16.7 A

Compressor Clutch Voltage: 12 V DC

Control Module Part Number: 64 11 9 255 654

Diagnostic Specifications

Diagnostic interface: OBD-II

Fault Code Storage: Up to 50 codes

Self Diagnosis Capability: Yes

Diagnostic Tool Compatibility

BMW ISTA
Generic OBD-II Scanners

Maintenance Specifications

Refrigerant Recharge interval: Every 2 years or as needed

System Pressure Check interval: Every 12 months

Blower Motor inspection Interval: Every 30,000 miles

Compressor Belt Tension: 500 ± 50 N

Service Information Service

Detailed service requirements and schedules for the HVAC system

15,000

Replace microfilter
Inspect blower motor
Check refrigerant levels

Follow BMW-recommended procedures for filter replacement

30,000

Inspect compressor belt
Check system pressure
Test temperature sensors

Use BMW-approved tools for pressure testing

60,000

Replace refrigerant
Inspect evaporator and condenser
Check electrical connections

Ensure proper disposal of old refrigerant

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the refrigerant type and capacity for the 2017-Present BMW 430i HVAC system?

The HVAC system in the 2017-Present BMW 430i uses R1234yf refrigerant, with a total system capacity of approximately 525 grams (± 25 grams). This refrigerant is environmentally friendly and complies with current regulations.

How do I reset the HVAC system in my BMW 430i?

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 system resets. This procedure clears any stored error codes and recalibrates the system.

What is the recommended maintenance interval for the cabin air filter in the BMW 430i?

The cabin air filter should be inspected every 15,000 miles and replaced every 30,000 miles or as needed, depending on driving conditions. A clogged filter can reduce HVAC efficiency and air quality.

What are the common symptoms of a failing HVAC blower motor in the BMW 430i?

Common symptoms include unusual noises (whining or grinding), reduced airflow, intermittent operation, or complete failure of the blower motor. If these symptoms occur, the blower motor or its resistor may need replacement.

How does the automatic climate control system work in the BMW 430i?

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 desired comfort level. The system also includes a microfilter to improve air quality.

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 430i HVAC System Overview

Coming Soon

Detailed technical overview of the HVAC system, including component locations, specifications, and operational principles.

HVAC Maintenance Guide for BMW 430i

Coming Soon

Step-by-step guide for maintaining the HVAC system, including filter replacement, system reset, and troubleshooting tips.

BMW 430i HVAC Repair Manual

Coming Soon

Comprehensive repair manual for diagnosing and repairing common HVAC issues, including blower motor replacement and refrigerant handling.

BMW Genuine Parts Catalog

Coming Soon

Official catalog for genuine BMW HVAC components, ensuring compatibility and optimal performance.

About the Author

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