Heater Matrix BMW F20 F30 F32 F33 Complete Air Con Housing High Diesel 9325144

Heater Matrix BMW F20 F30 F32 F33 Complete Air Con Housing High Diesel is a factory HVAC system component, designed specifically for F-series BMW models powered by Diesel engines. This complete air conditioning housing module with a heater matrix ensures stable cabin heating and cooling parameters, maintaining the original operating characteristics of the system.

Specifications and technical data

• SKU: rhd-9238645-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9238645
• Substitutable numbers: 64119238645, 9238645, 64119325144, 9325144, BG
• Fuel type: Diesel
• Category: HVAC Controls & Control Units

Purpose and function in the air conditioning system

The presented heater matrix with housing is a component from the Air conditioning regulators group, responsible for proper airflow through the heat exchanger and for maintaining the set temperature in the cabin. The use of a complete housing allows for maintaining correct airflow, duct tightness, and proper cooperation with other HVAC system components.

The element is dedicated to BMW vehicles with diesel engines, which means it is matched to the thermal characteristics of Diesel units and is compatible with factory air conditioning and heating controls.

Module construction and benefits of using a complete housing

The complete air conditioning housing with a heater matrix is an integrated module that simplifies the service process and reduces the risk of leaks resulting from improper assembly of individual components. Thanks to the factory design, the following are maintained:

• correct air duct geometry,
• stable seating of the heater matrix inside the housing,
• proper cooperation with airflow control flaps,
• compliance with factory mounting points in the body.

Such a solution promotes trouble-free installation and reduces the time required for replacing the element compared to repairs spread across several separate parts.

Operational characteristics for Diesel engines

In vehicles with diesel units, the heating system operates under different thermal conditions than in petrol engines. The heater matrix in this module is designed to work with the Diesel engine cooling system, which promotes:

• stable heat dissipation at lower exhaust temperatures,
• maintaining a comfortable interior temperature in winter conditions,
• proper cooperation with factory air conditioning controller settings.

As a result, the air conditioning and heating system maintains parameters close to factory specifications, and the driver receives a predictable response to changes in temperature and airflow settings.

Condition, origin, and assembly aspects

The offered element comes from the BMW parts group and is marked as used, which allows for an economical repair of the air conditioning system while maintaining the original design. A used housing module with a heater matrix is a particularly attractive solution in the case of post-accident repairs, mechanical damage to the housing, or heat exchanger leaks.

Due to its factory origin, the module is prepared for installation at the mounting points provided by the manufacturer, which facilitates workshop work and limits the need for additional modifications. Installation by an experienced service center is recommended, with adherence to cooling system bleeding procedures and HVAC system leak checks.

Air conditioning system safety and service knowledge

With any intervention in the air conditioning system, it is worth paying attention to the condition of the compressor, dryer, and hoses to avoid secondary failures after replacing components inside the housing. To deepen your knowledge on the diagnostics and replacement of key air conditioning components, such as the compressor, it is worth reading the guide: Air conditioning compressor – failure symptoms, causes, and safe replacement.

BMW air conditioning regulators – expansion and modernization

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 control modules, air duct housings, or flow control elements, check the available parts in the BMW air conditioning regulators category.