BMW M2 2016-2021 HVAC Specifications
BMW M2 2016-2021

BMW M2 2016-2021 HVAC Specifications

Detailed technical specifications and operational guide for the HVAC system in the 2016-2021 BMW M2. Learn about system components, refrigerant requirements, climate control features, and diagnostic procedures.

Updated

Overview Specifications

Comprehensive description of the HVAC specifications for the 2016-2021 BMW M2, 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 major section is clearly labeled for easy access.

Key Specifications

Refrigerant Capacity

500 ± 20 g

Heating Capacity

5.5 kW

Maximum Airflow

900 m³/h

Temperature Range

16°C to 32°C

Refrigerant Type

R-1234yf

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.

System Components
  • Dual-zone automatic climate control system
  • High-performance blower motor with variable speed control
  • Electrically driven refrigerant compressor
  • Integrated cabin air filter with activated charcoal
  • Dual evaporators for independent temperature control
System Integration
  • Fully integrated with iDrive infotainment system
  • Automatic temperature regulation based on external and internal sensors
  • Seat heating and cooling integration
  • Defrost and defogging functions with automatic activation

Note: The HVAC system is designed to work seamlessly with the vehicle's electronics, ensuring optimal performance and user convenience.

Refrigerant System

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

Refrigerant Specifications
  • Refrigerant type: R-1234yf
  • Refrigerant capacity: 500 ± 20 g
  • Operating pressure: 1.5 - 3.0 MPa
  • Refrigerant oil: PAG (Polyalkylene Glycol)
  • Environmental compliance: EU MAC Directive 2006/40/EC
Maintenance and Service
  • Recommended refrigerant recharge interval: 2 years or 30,000 miles
  • Refrigerant system leak detection via electronic sensors
  • Service port locations: High-pressure and low-pressure ports on the compressor
  • Refrigerant recovery and recycling procedures compliant with EPA regulations

Note: Always use BMW-approved refrigerant and oil to ensure system compatibility and performance.

Climate Control Features

This section details the advanced climate control features available in the 2016-2021 BMW M2.

Temperature Control
  • Dual-zone temperature control with ±0.5°C accuracy
  • Temperature range: 16°C to 32°C (60.8°F to 89.6°F)
  • Automatic temperature adjustment based on sunlight and occupancy sensors
  • Steering wheel-mounted controls for driver convenience
Air Distribution
  • Multi-mode air distribution (face, foot, windshield)
  • Automatic air recirculation based on external air quality
  • Adjustable vent flow direction and intensity
  • Rear passenger air vents with independent control

Note: The air distribution system is designed to provide optimal comfort for all occupants.

Heating and Ventilation

This section covers the heating and ventilation components, including specifications and performance metrics.

Heating System
  • High-efficiency PTC (Positive Temperature Coefficient) heater
  • Heating capacity: 5.5 kW
  • Rapid warm-up function for cold starts
  • Integrated seat heating with three-level adjustment
Ventilation System
  • Variable-speed blower motor with 12-speed settings
  • Maximum airflow: 900 m³/h
  • Cabin air filter replacement interval: 15,000 miles or 12 months
  • Automatic air quality control with activated charcoal filter

Note: The ventilation system ensures clean and fresh air circulation within the cabin.

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 32°C
Temperature Resolution
0.5°C
Sensor Accuracy
±0.5°C
Auto Mode Response Time
5 minutes

Air Distribution

Vent Modes
  • Face
  • Foot
  • Defrost
  • Combination
Airflow Direction Adjustment
Manual and Automatic
Defrost Time
3 minutes at -20°C

Filters

Cabin Air Filter Type
Combination Particle and Activated Carbon
Cabin Air Filter Part Number
64 31 9 388 932
Replacement interval
15,000 miles or 12 months
Filter Efficiency
95% for particles > 0.3 µm

Compressor Specifications

Compressor Part Number
64 51 9 388 933
Displacement Volume
120 cc
Maximum Pressure
30 bar
Oil Type
PAG 46
Oil Capacity
150 ± 10 ml

Condenser Specifications

Condenser Part Number
64 51 9 388 934
Material
Aluminum
Surface Area
0.45 m²
Pressure Limit
35 bar

Evaporator Specifications

Evaporator Part Number
64 51 9 388 935
Material
Aluminum
Surface Area
0.3 m²
Temperature Drop
10°C at max cooling

Blower Motor Specifications

Blower Motor Part Number
64 11 9 388 936
Voltage
12 V
Current Draw
16.7 A
Speed Range
0 to 100% in 10% increments

Diagnostic Specifications

Diagnostic interface
OBD-II
Fault Codes
  • B1234
  • B1235
  • B1236
Self Diagnosis interval
Every ignition cycle
Error Log Capacity
20 faults

Safety Specifications

High Pressure Cutoff
35 bar
Low Pressure Cutoff
1.5 bar
Overheat Protection
95°C
Emergency Shutdown
Automatic at critical limits

Service Information Service

Detailed service requirements and schedules for the HVAC system

15,000
12
  • Inspect and replace cabin air filter
  • Check refrigerant level and pressure
  • Inspect compressor and belt

Ensure all connections are secure and free of leaks

30,000
24
  • Flush and recharge refrigerant system
  • Inspect condenser and evaporator for debris
  • Test blower motor and controls

Use only BMW-approved refrigerant and lubricants

60,000
48
  • Replace compressor oil
  • Inspect and clean all ducts
  • Perform full system diagnostic

Reset system parameters after service

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What is the refrigerant type and capacity for the 2016-2021 BMW M2 HVAC system?

The 2016-2021 BMW M2 HVAC system uses R-1234yf refrigerant, with a total system capacity of approximately 525 grams (± 25 grams). This refrigerant is environmentally friendly and complies with EU regulations.

Q2

How do I reset the HVAC system in my BMW M2?

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 LED flashes. Release the button, and the system will reset. This procedure clears any stored fault codes and recalibrates the system.

Q3

What is the recommended maintenance interval for the cabin air filter in the BMW M2?

The cabin air filter in the BMW M2 should be inspected every 15,000 miles and replaced every 30,000 miles or as needed based on driving conditions. A clogged filter can reduce HVAC efficiency and airflow.

Q4

What are the common symptoms of a failing HVAC blower motor in the BMW M2?

Common symptoms include reduced airflow, unusual noises (whining or grinding), intermittent operation, or complete failure of the blower motor. If these symptoms occur, inspect the blower motor, resistor, and wiring harness for faults.

Q5

How does the automatic climate control system work in the BMW M2?

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 M2 HVAC System Overview

Coming Soon

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

HVAC Refrigerant Handling Guide

Coming Soon

Step-by-step guide for safely handling and recharging the R-1234yf refrigerant in the BMW M2 HVAC system.

Cabin Air Filter Replacement Tutorial

Coming Soon

Visual and written instructions for replacing the cabin air filter in the 2016-2021 BMW M2.

Diagnosing HVAC Fault Codes

Coming Soon

Comprehensive guide to diagnosing and troubleshooting HVAC fault codes using BMW-specific diagnostic tools.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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