BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor 7948147

BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor is a component from the Electronic control modules and controllers group, responsible for precisely detecting the presence of passengers on the rear seat bench. This solution supports the operation of safety and comfort systems, ensuring the proper functioning of onboard electronics in modern BMW F40 and F44 series models.

Specifications and technical data

• SKU: 7948147
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7948147
• Substitutable numbers: 7948147, 65777948147
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Function and role of the rear seat occupancy mat

The rear seat occupancy mat with rear seat sensors acts as a sensor element of the electronic system that monitors the presence of passengers on the rear bench. This allows the vehicle's controllers to properly manage safety functions, such as seat belt reminder logic or cooperation with other comfort modules.

Its placement on the vehicle in the rear seat area allows for direct integration with the factory electrical installation, which translates into stable operation and consistency with the car's other electronic systems.

Benefits of using an original BMW module

The component comes from the line of original BMW solutions, which means maintaining factory operating characteristics and compatibility with the vehicle's electronic architecture. In practice, this translates into:

• proper cooperation with existing controllers and wiring harnesses,
• maintaining factory operating parameters of safety systems,
• no need for installation modifications during assembly.

For the user, this means stable, predictable system operation and a reduction in the risk of diagnostic errors resulting from the use of unsuitable replacements. Choosing such a solution is particularly important in the case of modern platforms, where many vehicle functions are closely linked.

Application in the rear part of the vehicle

The placement of the mat in the rear part of the vehicle interior makes it a key element of communication between the seats and the electronic systems. The rear seat sensors transmit information to the appropriate controllers, which enables:

• monitoring of seat occupancy on the rear bench,
• cooperation with seat belt reminder systems,
• consistent operation with other comfort and safety functions.

Such a solution is particularly important in cars used by families, where the rear bench is heavily used, and the correct operation of electronics affects the daily functionality of the vehicle.

Product characteristics and installation

The product comes from disassembly, which allows for an economical restoration of system efficiency without the need to invest in a new component. At the same time, compliance with the factory BMW specification is maintained, which facilitates installation and subsequent diagnostics.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and electronics configuration. Proper matching of the component to a given BMW F40 or F44 unit minimizes the risk of errors appearing in onboard systems and ensures stable operation of the entire system.

Expanding the electronics system in a BMW

If you are planning a comprehensive repair or upgrade of the interior electronics area in your BMW and need other elements from the same group, such as control modules, comfort controllers, or additional sensor systems, check the available parts in the BMW electronic control modules and controllers category.

To better understand when choosing a used module or sensor is justified and how to safely select such an element for your car, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?