BMW E38 E39 Buckle Seat Belt Buckle With Seat Belt Tensioner Right 8240044

BMW E38 E39 Buckle Seat Belt Buckle With Seat Belt Tensioner Right is an original part from the Seat belts and parts category, designed for installation on the right side in selected BMW 5 Series E39 and 7 Series E38 models. This used, factory-original buckle with tensioner ensures proper integration with the vehicle's safety system, maintaining the design specified by the manufacturer.

Specifications and technical data

• SKU: 8240046
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8240046
• Substitutable numbers: 72118240046, 8240046, 8240044
• Location on the vehicle: Right
• Category: Seat Belts & Parts

Purpose and function of the seat belt buckle

The presented seat belt buckle with tensioner has been designed specifically for installation on the right side of the interior of BMW E38 and E39 series vehicles. The component is responsible for securely fastening the seat belt and working with the tensioner system, which pulls the belt toward the user's body when necessary, improving body stabilization in the seat.

Thanks to a design consistent with factory solutions, the buckle maintains the correct mounting geometry, proper operating height, and tensioner performance characteristics, which is essential for the correct operation of the entire passive safety system.

Advantages of using an original BMW component

Choosing an original seat belt buckle with tensioner for the BMW E38/E39 allows you to maintain technical consistency with other safety system components. An element from the same BMW product family ensures:

• compatibility with factory seat and body mounts,
• proper cooperation with the vehicle's electrical system,
• appropriate tensioner performance parameters under intended operating conditions.

Such a solution reduces the risk of installation problems and minimizes the need for modifications, which is particularly important when working with components responsible for user safety.

Condition, installation, and service application

The offered seat belt buckle with tensioner is a used component, making it an attractive cost-effective alternative while maintaining the factory BMW design. It is suitable both for standard replacement of a damaged part and for post-accident repairs, where it is necessary to restore the full functionality of the seat belt system on the right side.

Due to the specific placement on the vehicle, it is worth verifying compatibility with the specific interior trim version and seat type before installation. A correctly selected buckle facilitates installation, helps maintain the aesthetics of the finish, and ensures proper belt routing relative to the user.

Safety, comfort, and operation

A functional seat belt buckle with tensioner has a direct impact on the level of protection for the driver or passenger, as well as on the daily comfort of using the vehicle. A stable belt fastening, correct lock position, and predictable tensioner operation reduce unwanted slack and improve the subjective sense of safety while driving.

When planning broader service work in the vehicle interior, it is also worth considering other safety system elements, such as belts, seat mounts, or sensors working with the airbag system, to maintain the integrity of the entire system.

If you are planning a comprehensive repair or upgrade of the interior safety zone in your BMW and need other components from the same group, such as buckles, tensioners, or complete seat belts, check the available parts in the BMW seat belts and parts category.

Additional technical support and service knowledge

During service work on the vehicle interior, the replacement of safety components is often combined with the maintenance of comfort systems, such as heating or air conditioning. To better plan your maintenance schedule and select the appropriate OEM components, it is worth consulting a guide describing the selection and operation of these systems – you will find detailed tips in the article Air conditioning and heating – parts selection and maintenance for year-round comfort.