BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9279822

The BMW F20 F21 F30 F31 REM Control Module is an original electrical system component responsible for precise control of the rear part of the electrical system in BMW F-series vehicles. The module operates within the fuse box area, ensuring organized power distribution and control of selected body functions. Thanks to its factory OEM design, it represents a consistent service solution for professional workshops and users who prioritize correct electronic operation.

Specifications and technical data

• SKU: 9279822
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9279822
• Substitutable numbers: 61359279822, 9279822
• Location on the vehicle: Rear
• Category: Fuses & Fuse Boxes

Purpose and Function of the REM Module

The REM control module in BMW F20, F21, F30, and F31 models works with the rear electrical system, integrating with the Fuses and Fuse Boxes system. It is responsible for logical control of selected circuits, power supply monitoring, and communication with other control units in the vehicle via the data bus. As a component dedicated to a specific generation of BMW F-series, the module is structurally adapted to the electrical architecture of these body types, which facilitates diagnostics and service.

Location and Integration with the Electrical System

The REM module is installed in the rear of the vehicle, in close proximity to the system responsible for powering rear consumers. This vehicle placement shortens harness lengths, improves signal stability, and reduces voltage drops in critical circuits. The control unit works with the factory fuse box, allowing for organized wiring, easier service access, and faster fault localization.

Benefits of Using an Original Control Unit

Using an original REM module in BMW F-series vehicles offers a number of practical benefits in daily operation and during repairs:

• maintaining compatibility with the vehicle's factory electrical architecture,
• proper cooperation with other control units and comfort systems,
• organized management of circuits protected in the fuse box,
• easier computer diagnostics due to predictable operating parameters,
• possibility of using existing mounting points and harnesses.

For workshops specializing in the BMW brand, this means a stable and repeatable repair base, and for the user – a reduced risk of compatibility issues and unwanted errors in the onboard systems.

Product Characteristics and Service Application

The presented REM control unit is a used part, making it an attractive solution for repairs where a balance between cost and maintaining factory functionality is crucial. The module is suitable for both typical replacement of a damaged control unit and for more extensive work related to restoring the functionality of the rear electrical system. Due to its assignment to the specific BMW F20/F21/F30/F31 model group, it is a practical choice for informed users and automotive electronics services.

Expanding Knowledge on Used Electronics

When selecting and installing used control units, it is advisable to be familiar with the principles of compatibility, markings, and adaptation procedures. A detailed discussion of these issues, along with practical examples of selection by part numbers and parameters, can be found in the Global Parts guide: Used Automotive Electronics – A Guide to Selecting Modules and Sensors.

Related Items from the Same Group

If you are planning a comprehensive repair or upgrade of the electrical zone in your BMW and need other components from the same group, such as additional modules, fuse box housings, or fuse inserts, check the available parts in the BMW Fuses and Fuse Boxes category.