Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332

Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM is an original electronic control module designed for installation in the rear section of BMW F-series vehicles. This specialized controller from the Electronic control modules and controllers group is responsible for the precise management of selected body functions, ensuring consistent operation of the electrical system in the rear area of the car. Thanks to its factory OEM design, the module maintains full compatibility with the BMW electrical architecture, which facilitates diagnostics and integration with vehicle systems.

Specifications and technical data

• SKU: 6819332
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6819332
• Substitutable numbers: 6819332, 61356819332, 9499001, 61359499001, 9329700, 61359329700, 9293305, 61359293305, 9274021, 61359274021, 9269871, 61359269871, 6809049, 61356809049, 9362394, 61359362394, 9298958, 61359298958, 9279822, 61359279822, 9374506, 61359374506, 9311982, 9866978
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Purpose and function of the REM module in BMW F-series

The REM module in BMW F20, F21, F30, F31, and F32 models acts as a dedicated controller responsible for selected electrical functions in the rear part of the body. It is integrated into the vehicle network via a communication bus, working in conjunction with other controllers in the car. This allows for consistent load management, control of individual circuits, and effective fault diagnostics in the rear area of the vehicle.

The placement of the module in the rear zone of the vehicle shortens the length of electrical harnesses, improves signal stability, and reduces voltage drops. From a service perspective, this means faster localization of potential problems and easier access during repair work or replacement.

Compatibility, interchangeable numbers, and OEM selection

The presented REM controller is an original BMW component, which translates into maintaining factory operating parameters and full integration with the manufacturer's diagnostic systems. The module has an assigned OEM part number and a set of interchangeable numbers, allowing it to be used in various equipment configurations and model years within the same vehicle platform.

When selecting a module for a specific car, it is recommended to verify compatibility by the OEM number, reference numbers, and the vehicle's VIN. This approach minimizes the risk of hardware or software incompatibility and facilitates subsequent adaptation of the controller in the vehicle.

Condition, installation, and service aspects

The REM module is offered as a used part, sourced from dismantling, which allows for cost-effective electrical system repair while maintaining original build quality. Such controllers are designed as replaceable components, so their installation in most cases is similar to a plug-and-play solution, subject to the need for appropriate coding or programming procedures in the vehicle.

Before installation, it is recommended to:

• verify the compatibility of the OEM number and interchangeable numbers with the currently installed module,
• check the condition of connectors and electrical harnesses in the vehicle,
• perform computer diagnostics after installation to confirm correct communication in the controller network.

This approach helps reduce vehicle downtime and increases confidence that replacing the controller will resolve the reported issue.

Why choose a used REM module?

Choosing a used REM module for a BMW F-series is a sensible solution for users who want to keep their vehicle in full working order at controlled service costs. An original second-hand controller retains factory specifications while avoiding problems typical of replacements of uncertain origin.

If you want to better understand how to safely select and install used controllers and other automotive electronic components, check out the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Expanding the control system in BMW – what else to consider?

If you are planning a comprehensive repair or upgrade of the electrical zone in the rear of your BMW and need other components from the same group, such as additional controllers, lighting management modules, or comfort controllers, check the available parts in the BMW electronic control modules and controllers category.

By using original control modules, you maintain the consistency of the entire electronic system, which translates into stable installation operation, correct communication between controllers, and easier diagnostics in the future. This is particularly important in modern BMW models, where most vehicle functions are implemented and monitored by an extensive network of electronic control modules.