BMW 6 Series E63 E64 Coupe Cabrio Front Seat Occupancy Sensor Mat 6924783

The BMW E63 E64 Coupe Cabrio Front Seat Occupancy Sensor is an original part from the seat belts and parts category, designed for installation in the front seat of BMW 6 Series E63/E64 Coupe and Cabrio models. The sensor works with the factory safety system, responsible for correctly detecting passenger presence and proper airbag function.

Specifications and technical data

• SKU: 6924783
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6924783
• Substitutable numbers: 6924783, 65776924783
• Location on the vehicle: Front
• Category: Seat Belts & Parts

Seat Occupancy Sensor Purpose and Function

The presented sensor is a component of the passive safety system, integrated with the front seat wiring. Its task is to detect the presence of a person on the seat and transmit information to the airbag control unit and seat belt system. This allows the control unit to properly manage the activation of the passenger airbag and the logic of the seat belt pretensioners.

In BMW 6 Series E63/E64 vehicles, a correctly functioning seat occupancy sensor is crucial for:

• safe deployment of passenger-side airbags,
• correct indication of unbuckled seat belts on the dashboard,
• communication with vehicle diagnostic systems (error clearing, status reading).

Compatibility with BMW E63/E64 Coupe and Cabrio

The sensor is designed as a factory BMW component, intended for use with E63 and E64 models. This ensures a perfect fit with the front seat structure and compatibility with the wiring harness and control units used in these body styles.

In practice, this means:

• consistency with the original seat belt and parts system in BMW 6 Series,
• preservation of the factory SRS system logic (airbag, pretensioners),
• no need for wiring modifications when properly installed in the dedicated front seat.

Vehicle Placement and Installation Aspects

The sensor is designed for installation within the front seat, according to the original seat cushion construction. Replacing the component requires dismantling the seat cushion upholstery and careful access to the sensor mat or sensor module, depending on the specific seat configuration.

When installing, pay attention to:

• correct positioning of the sensor within the seat cushion structure to maintain proper load sensitivity,
• secure connection to the wiring harness with no loose connectors,
• performing adaptation or clearing errors in the SRS control unit after completing service work.

Characteristics of a Used OEM Part

The offered sensor is a used BMW OEM part, sourced from a dismantled vehicle. Choosing an original component allows for consistency with the factory safety system while reducing costs compared to a new part. A used sensor is a good solution when:

• airbag system errors related to seat occupancy occur,
• the damaged mat or module needs replacement after an accident or due to wear and tear,
• you want to maintain the original vehicle specification without using unknown aftermarket replacements.

BMW Seat Belts and Parts – Selection and Technical Knowledge

If you are looking for other parts from the BMW seat belts and parts category, check out our dedicated offer: BMW seat belts and parts. There you will find components related to the SRS system, pretensioners, and seat belt mounts, tailored for various BMW models.

To better understand the differences between standard components and high-performance versions, it is worth reading the article BMW M Performance: What's the Difference Between BMW M and Standard Components?, which discusses, among other things, the use of used OEM parts in advanced BMW configurations.