BMW 1 Series e81 e87 Heater Radiator Matrix Unit Complete IHKA

BMW 1 Series e81 e87 Heater Radiator Matrix Unit Complete IHKA is a complete, used heat exchanger unit designed for the automatic air conditioning system in the 1 Series. Thanks to the factory BMW design and compatibility with the IHKA installation, it provides a reliable service solution for heating and ventilation system repairs, ensuring stable interior performance parameters.

Specifications and technical data

• SKU: rhd-9134062
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 64119134062
• Substitutable numbers: 64119134062, 9134062
• Category: Other Air Conditioning & Heating

Application and compatibility

The complete heater is designed for BMW 1 Series E81 and E87 models equipped with the IHKA automatic air conditioning system. The component works with the factory engine cooling system and air ducts, responsible for efficient heat transfer to the cabin while maintaining proper coolant flow.

The OEM solution guarantees a proper fit to the HVAC module housing, mounting points, and connection ports, which facilitates installation and reduces the risk of system leaks.

Construction and technical function

The heater acts as a heat exchanger in the IHKA automatic air conditioning system, operating in a circuit with engine coolant. The design was developed by BMW with the following in mind:

• stable heat transfer to the airflow directed into the interior,
• maintaining proper coolant flow when operating in various temperature ranges,
• cooperation with mixing flaps and IHKA electronic control.

Thanks to the factory design, the heater maintains the correct geometry of the flow channels, which translates into predictable heating system behavior and correct response to temperature setting changes in the cabin.

Condition, installation, and service aspects

The offered item is a used part, sourced from dismantling, which makes it an attractive cost-effective alternative to new OEM components. Before installation, a standard service procedure is recommended: leak testing, verification of channel cleanliness, and proper bleeding of the cooling system after installation.

By maintaining the original BMW design, the heater allows for installation in place of the factory element without the need for installation modifications, which is beneficial both for workshops specializing in the brand and for users who care about maintaining the technical integrity of the vehicle.

Benefits of using an original BMW heater

Using an original heat exchanger in the IHKA system allows you to maintain the interior heating characteristics intended by the manufacturer. This solution is particularly recommended for:

• repairing heating systems with symptoms of poor heating or uneven temperature in the cabin,
• servicing vehicles where maintaining the original BMW specification is important,
• optimizing repair costs by choosing a proven used part.

Selecting an OEM component allows you to reduce the risk of problems with fitment, leaks, or incorrect cooperation with the automatic air conditioning control electronics.

Related categories and technical materials

If you are planning a comprehensive repair or upgrade of the air conditioning and heating zone in your BMW and need other elements from the same group, such as control modules, air ducts, or additional mounting elements, check the available parts in the Other BMW category.

To compare the characteristics of sports drivetrains and braking systems with solutions used in standard models, and to better understand the manufacturers' approach to designing OEM components, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses design differences using the RS series as an example.