BMW E60 E61 E63 E64 LCI Heater Air Con Evaporator Matrix 6946043

BMW E60 E61 E63 E64 LCI Heater Air Con Evaporator Matrix is an original air conditioning system component designed for BMW 5 and 6 series models, responsible for the efficient heat dissipation of the refrigerant. Thanks to its factory BMW design, it ensures precise fitment to the air conditioning system and stable operating parameters. This used OEM component is a sensible choice for drivers looking for a proven solution at an attractive price.

Specifications and technical data

• SKU: 6946043
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6946043
• Substitutable numbers: 64116946043, 6946043, 64116921070, 6921070, 64119238655, 9238655
• Category: Other Air Conditioning & Heating

Function and role in the BMW air conditioning system

The evaporator – often referred to as the air conditioning radiator – is a key element of the refrigerant circuit in the BMW E60, E61, and E63. In this component, the refrigerant changes its state of matter, intensively absorbing heat from the air flowing through the ventilation ducts. A properly functioning evaporator translates into:

• stable, low air outlet temperatures in the cabin,
• even cooling during prolonged air conditioning operation,
• better driving comfort in both urban and highway conditions.

Thanks to its OEM design, the evaporator works with the factory air conditioning equipment, maintaining the parameters specified by the vehicle manufacturer.

Compatibility and fitment for BMW E60, E61, E63

The presented evaporator has been designed specifically for the air conditioning system architecture of the BMW 5 Series E60/E61 and 6 Series E63. This means that:

• mounting points are compatible with factory body brackets,
• air conditioning line connections are matched to the original connectors,
• core geometry ensures proper airflow in the ventilation ducts.

Such fitment facilitates installation and allows for maintaining the factory air conditioning performance without the need for system modifications.

Benefits of choosing an original BMW evaporator

By choosing this component, you gain a number of practical advantages important from the point of view of operation and service:

• Original BMW design – compliance with the vehicle manufacturer's technical documentation.
• Predictable system behavior – the evaporator works with the compressor, expansion valve, and dryer according to factory specifications.
• Possibility of verification by OEM part number and interchangeable numbers – facilitates the selection of the correct component for a specific engine version and model year.
• A reasonable compromise between cost and quality thanks to the use of a genuine OEM component.

For workshops and individual users, this means a lower risk of fitment issues and greater confidence in the correct operation of the system after installation.

Condition, installation, and service recommendations

The evaporator comes from dismantling and is offered as a used original BMW component. Before installation, standard service procedures typical for air conditioning systems are recommended, such as checking system tightness, replacing connection seals, and performing a pressure test after assembling the system. Properly performed installation and service allow you to fully utilize the potential of this component in daily operation.

If you are planning a comprehensive repair or upgrade of the air conditioning and interior cooling zone in your BMW and need other elements from the same group, such as air conditioning lines, condenser, or compressor, check the available parts in the Other BMW category.

More technical knowledge and operational tips

For drivers interested in a broader context of how advanced systems work in sports and premium cars, our guide comparing technical solutions in various models may be useful. We encourage you to read the article Audi RS vs other models – what is hidden under the hood and chassis?, where we discuss, among other things, the differences in engine, brake, and chassis construction.

If you want to better understand how heat exchange components affect the durability and operating costs of the vehicle, the guide on cooling systems and savings when choosing parts from dismantling will also be helpful: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.