BMW F20 F21 F30 F31 LCI A/C Air Conditioning Evaporator 6975554

BMW F20 F21 F30 F31 LCI A/C Air Conditioning Evaporator is an original cabin cooling system component designed for the 1 Series and 3 Series models after the facelift (LCI). Thanks to its factory design, it ensures proper heat exchange in the air conditioning system, stable operation, and a comfortable temperature inside the vehicle. This is a solution for users seeking consistency with BMW factory specifications and predictable air conditioning system performance.

Specifications and technical data

• SKU: 6975554
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6975554
• Substitutable numbers: 64116975554, 6975554, 073171847
• Category: A/C Evaporators

Purpose and function in the air conditioning system

The evaporator in the air conditioning system is responsible for the intensive cooling of the air directed into the cabin and for maintaining stable operating parameters for the entire refrigerant circuit. In the case of post-facelift (LCI) BMW F-series models, its proper operation has a direct impact on:

• cooling efficiency of the interior during high outdoor temperatures,
• even distribution of cooled air in the ventilation ducts,
• maintaining the correct refrigerant pressure and temperature in the system,
• reducing window fogging through proper air dehumidification.

Selecting an evaporator dedicated to the specific generation of the post-facelift BMW F20, F21, F30, and F31 allows for maintaining operating parameters in accordance with the manufacturer's specifications, which is essential for both driving comfort and the durability of other air conditioning system components.

Technical characteristics and compatibility

The presented evaporator belongs to the Evaporators category and is a component designed specifically for the BMW F-series platform after the LCI modernization. This means it is perfectly matched to the dashboard architecture, air conditioning lines, and heater housing used in these generations.

Its original BMW origin translates into:

• compatibility with factory connectors and air conditioning system ports,
• proper geometry of fins and airflow channels,
• compatibility with stock sensors and automatic or manual air conditioning controls,
• consistency with the operating parameters of the compressor, condenser, and expansion valve.

Thanks to this, the installation process is straightforward, without the need for system modifications or the use of adapters, which is important from the perspective of service and subsequent diagnostics.

Component condition and installation aspects

The offered air conditioning evaporator is a secondary market component in used condition, which allows for an economical repair of the system while maintaining the original BMW design. In practice, this means restoring the efficiency of the air conditioning without the need to resort to aftermarket replacements with uncertain parameters.

When planning the installation, it is worth considering:

• the necessity of properly venting and refilling the air conditioning system after replacement,
• checking the system for leaks before starting the vehicle,
• verifying the condition of the receiver-drier, lines, and condenser to avoid repeated interventions in the system.

Such an approach allows for fully utilizing the potential of the installed evaporator and reducing the risk of subsequent leaks or a drop in cooling performance.

Benefits of using an original BMW evaporator

Using an evaporator dedicated to the BMW F20, F21, F30, and F31 LCI brings a number of practical benefits:

• Stable cooling performance – maintaining factory air conditioning operating parameters under typical road conditions.
• Better cooperation with vehicle electronics – correct communication with control modules and temperature sensors.
• Reduced risk of incorrect installation – dimensional and structural matching to BMW's stock solutions.
• Consistency with other system components – the evaporator operates within the parameters intended for the compressor and condenser used in this generation.

For users who expect predictable air conditioning behavior and thermal comfort in the cabin, choosing an original evaporator is a technically sound solution.

Expanding air conditioning system support in BMW

If you are planning a comprehensive repair or modernization of the air conditioning zone in your BMW and need other elements from the same group, such as additional evaporators, housing elements, or related air cooling components, check out the available parts in the BMW Evaporators category.

For drivers who are also servicing the drivetrain and want to better understand the relationship between air conditioning load and engine operation as well as power transmission, the following guide may be helpful: Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts.