BMW X5 E70 X6 E71 Seat Belt Lower Strap Rear Buckle Tensioner 7171895

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW X5 E70 X6 E71 Seat Belt Lower Strap Rear Buckle Tensioner is an original component from the Seat belts and parts group, designed for the rear body section. It ensures secure fastening of the seat belt, which translates into stable passenger restraint and improved safety during daily vehicle operation.

Specifications and technical data

• SKU: 7171197
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7171197
• Substitutable numbers: 7171197, 72117171197, 7171895
• Location on the vehicle: Rear
• Category: Seat Belts & Parts

Purpose and technical function

The presented buckle is a component of the seat belt fastening system in the rear of the BMW vehicle. It is responsible for mechanically locking the seat belt tongue and releasing it upon pressing the button, which is crucial for the proper operation of the entire safety system. Its placement in the rear seat area allows for the direct replacement of a damaged or worn buckle without interfering with other interior components.

Compatibility and BMW fitment

The buckle has been designed specifically for BMW E70 and E71 series models, ensuring that the mounting geometry and housing shape are adapted to factory mounting points. This means proper fitment with the rear bench seat, correct buckle height relative to the seat, and maintained ergonomics for passengers.

Its original BMW OE origin translates into compliance with factory safety standards, as well as predictable component behavior in emergency situations when the seat belt must function to its full extent.

Performance characteristics and installation

The component is intended for installation in the rear of the vehicle, in the location specified by the manufacturer. The buckle design enables:

• stable guidance of the seat belt tongue during fastening,
• secure locking of the mechanism once the belt is inserted,
• smooth release of the lock upon pressing the button.

Thanks to the retention of the factory design, it is possible to use existing mounting points in the body, which facilitates service work and reduces replacement time. The used condition allows for an economical repair while maintaining the manufacturer's original specifications.

Application in the safety system

As an element of the Seat belts and parts category, the buckle works in conjunction with the seat belt and other passenger protection system components. A properly functioning buckle is essential for:

• maintaining proper belt tension while driving,
• ensuring belt locking during sudden braking,
• maintaining user comfort during daily fastening and unfastening.

Replacing a faulty buckle with an original BMW component helps restore the proper operation of the safety system in the rear of the vehicle, which is important both for technical inspections and family use.

Knowledge expansion and parts selection

During comprehensive work within the drivetrain and safety systems, it is worth paying attention to the correct selection of cooperating components. Technical materials regarding diagnostics and the selection of drivetrain elements may be helpful, such as the article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which organizes the approach to assessing wear and replacing key sub-assemblies.

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