BMW 3 Series E46 Automatic Air Conditioning Control Unit Module 8382446

BMW 3 Series E46 Automatic Air Conditioning Control Unit Module is a factory-original air conditioning control component designed for 3 Series E46 models equipped with an automatic transmission. The offered panel comes from a vehicle dismantling process, which ensures the preservation of original functionality and compatibility with the factory BMW electrical installation. It is a practical solution for air conditioning system repairs, replacing a faulty controller, or restoring the full functionality of the vehicle's interior.

Specifications and technical data

• SKU: 8382446
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8382446
• Substitutable numbers: 64116931603, 6931603, 64116901813, 6901813, 64116911013, 6911013, 64118384112, 8384112, 64118382446, 8382446, 64116919786, 6919786, 64118362060, 8362060, EM
• Gearbox type: Automatic
• Category: Other Interior Parts & Accessories

Purpose and compatibility

The BMW 3 Series E46 Automatic Air Conditioning Control Unit Module has been designed as an OEM component that works with the factory cabin comfort control system. The design, intended for vehicles with an automatic transmission, ensures proper integration with the car's electronics, including modules responsible for controlling airflow, temperature, and air conditioning operating modes.

Thanks to the preservation of the original connector architecture, the panel allows for installation in place of the previous unit without the need for any wiring modifications. This is particularly important when servicing vehicles where restoring full air conditioning functionality quickly is required.

Function in the air conditioning system

The panel acts as the central control module for cabin comfort parameters. It is responsible for:

• transmitting signals to the air conditioning and ventilation system,
• handling temperature settings for the driver and passenger (depending on vehicle configuration),
• controlling fan speed and airflow direction,
• cooperating with temperature sensors and other comfort modules.

A properly selected air conditioning panel allows for maintaining stable system operating parameters, which translates into predictable air conditioning performance and correct response to changes in settings made by the user.

Benefits of using an original panel

Using an original air conditioning panel in a BMW 3 Series E46 offers a number of practical advantages:

• Full integration with vehicle electronics – maintaining compatibility with factory control modules and electrical wiring.
• Stable air conditioning system operation – correct signal transmission to the compressor, fan, and air flaps.
• Reduction of the risk of errors and fault messages resulting from incompatible aftermarket replacements.
• Ability to use existing mounting brackets and wiring harnesses without additional adaptations.

This solution is especially recommended for repairs of daily-driven vehicles, where operational predictability and maintaining factory air conditioning performance parameters are essential.

Condition and service application

The offered air conditioning panel is a used part, sourced from a BMW vehicle dismantling process. This type of component is ideal for service applications when it is necessary to replace a damaged controller or restore system functionality after a failure. Choosing an original component from the secondary market allows you to maintain interior consistency and preserve the ergonomics characteristic of BMW.

Before installation, it is recommended to perform a standard verification of the vehicle's electrical system and check the proper operation of other air conditioning system components to fully utilize the capabilities of the offered panel.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the cockpit area in your BMW and need other elements from the same group, such as switches, control modules, or additional control panels, check the available parts in the Other BMW category.

To compare solutions used in different brands and better understand the differences in the design of powertrains and accessories, it is worth reading the material comparing sports versions with standard models – you can find it in the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the manufacturers' approach to high-load components.