BMW 3 5 Series E36 E39 Heater Matrix Radiator Heat Exchanger Petrol 1393212

BMW 3 5 Series E36 E39 Heater Matrix Radiator Heat Exchanger Petrol is an original cabin heating system component designed for BMW vehicles with petrol engines. It ensures efficient heat transfer from the cooling system to the vehicle interior, which translates into driving comfort in colder conditions and proper operation of the ventilation system.

Specifications and technical data

• SKU: 1393212
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1393212
• Substitutable numbers: 64111393212, 1393212, 64111469197, 1469197
• Fuel type: Petrol
• Category: Other Air Conditioning & Heating

Purpose and function in the heating system

The presented heater matrix is the component responsible for heat exchange between the coolant and the air directed into the cabin. In BMW E36 and E39 series models powered by petrol, it is responsible for:

• stable heating of the vehicle interior under various engine loads,
• cooperation with the air supply system and air conditioning or heating controls,
• maintaining the appropriate cabin temperature without overloading the cooling system.

Thanks to being tailored to a specific BMW generation, the radiator works with factory connectors, hoses, and the heater housing, which facilitates installation and subsequent operation.

Compatibility and fitment for BMW

The offered component comes from the BMW line and is designed for vehicles with petrol engines. This means maintaining the correct fluid flow characteristics, appropriate heat exchange surface area, and geometry matched to the factory installation location in the dashboard.

To ensure the correct selection of parts, it is worth verifying compatibility with the specific body version and powertrain using data such as the OEM part number, interchangeable numbers, or the SKU identifier assigned to this product. This helps avoid installation issues and ensures proper cooperation with the existing heating system.

Characteristics of the used OEM part

The product comes from the BMW group and is an OEM-class component, which means factory-fitment to the vehicle's design. As a used part, the radiator retains its original geometry and connections, while providing an economical solution compared to a new component.

In practice, this translates into:

• no need for installation modifications during assembly,
• preservation of factory fluid and air flow characteristics,
• easier diagnostics and service in the future thanks to compliance with manufacturer documentation.

Additionally, thanks to the assignment of an OEM part number and the availability of interchangeable numbers, the element can be precisely identified in service catalogs and parts selection systems.

Benefits of use in BMW with a petrol engine

The heater matrix adapted for petrol engines of BMW E36 and E39 ensures operating parameters consistent with the manufacturer's factory specifications. Proper component selection is important for:

• maintaining a stable cabin temperature at typical petrol engine RPMs,
• proper cooperation with the cooling and venting system,
• reducing the risk of leaks resulting from dimensional mismatch.

As a result, replacing a worn-out heater with an original OEM element allows for restoring full heating functionality without interfering with the vehicle's construction.

System expansion and selection of related components

If you are planning a comprehensive repair or upgrade of the heating and cooling area in your BMW and need other elements from the same group, such as fluid hoses, heater housings, or additional mounting elements, check the available parts in the Other BMW category.

When choosing a used OEM component for the heating system, it is also worth paying attention to the general principles of selecting original parts. Practical tips on when to choose a second-hand element and when to consider a replacement can be found in the article 5 reasons why a used OEM part is a better choice than a replacement.

For a comparison of the characteristics of sports drivetrains and braking systems with solutions used in standard models, you can read the analysis in the material Audi RS vs other models – what is hidden under the hood and chassis?, which shows how the selection of appropriate components affects the car's behavior in various operating conditions.