BMW X5 Series X53 Locking Mechanism Right Rear O/S Seat Latch Lock 8258744

BMW X5 Series X53 Locking Mechanism Right Rear O/S Seat Latch Lock is an original rear backrest folding mechanism component, designed for the right side of the BMW X5 E53 model. This part from the Storage compartments, doors and locks group is responsible for securely locking the backrest in the operating position, which is important for both passenger comfort and the stability of transported cargo. Thanks to its factory design, it ensures the proper operation of the mechanism without the need for seat modifications.

Specifications and technical data

• SKU: 7059616
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8258744
• Substitutable numbers: 52208258744, 8258744, 52207059616, 7059616
• Location on the vehicle: Rear, Right
• Category: Glove Boxes, Doors & Latches

Purpose and function of the backrest lock

The presented lock is dedicated to the rear right backrest in the BMW X5 E53 and works with the factory seat frame. Its task is to keep the backrest in a stable position after folding and raising it again, so that the mechanism does not show any play and maintains repeatable operation. This element is important from the point of view of passive safety – a properly functioning lock limits uncontrolled movement of the backrest while driving.

The placement on the vehicle defined as rear – right side means that the part should be mounted only in the intended position, in accordance with the seat design. Using the correct lock on the appropriate side of the vehicle allows you to maintain compliance with the manufacturer's design and avoid fitment issues.

Construction and fitment for the BMW X5 E53

The lock has been designed as an element of the backrest mounting system that works with the seat hinges, catches, and rails. The construction provides appropriate mounting points and geometry matched to the rear right seat of the BMW X5 E53, which facilitates installation and allows for maintaining factory fitment. Thanks to this, after installation, the backrest folding and locking mechanism can work in a predictable and repeatable manner.

As a part from the group of locks and locking mechanisms inside the cabin, the lock integrates with other rear seat equipment elements. Proper fitment to the seat structure minimizes the risk of the backrest not closing correctly, rattling, or excessive play during vehicle operation.

Condition, service application, and benefits of installation

The offered lock comes from dismantling and is a used component, which makes it an attractive service solution in case of damage to the original mechanism in the vehicle. Replacing a worn or damaged lock with a functional component allows you to restore the proper operation of the rear backrest folding system without the need to interfere with the seat structure.

The main benefits of using this lock in the BMW X5 E53 include:

• restoration of correct locking of the rear right backrest,
• reduction of play and unwanted noises in the seat area,
• maintenance of backrest folding functionality when transporting cargo,
• maintaining consistency with the factory mounting and safety system.

Interior integration and user comfort

A properly functioning backrest lock affects the daily comfort of using the rear seat – both when passengers are seated and when frequently folding the backrest to increase luggage space. Stable locking of the backrest reduces vibrations and improves the overall feeling of rigidity in the rear part of the cabin. For users who regularly use the split-seat function, replacing a faulty element with a properly selected lock is a practical way to maintain interior functionality.

If you are planning a comprehensive repair or upgrade of the rear seat mounting area in your BMW and need other elements from the same group, such as locks, latches, or locking mechanisms, check the available parts in the BMW Storage compartments, doors and locks category.

For a comparison of design solutions used in premium class cars and a better understanding of how manufacturers develop interior equipment systems and mounting elements, it is worth reading an article describing the development of flagship limousines – you can find it here: Evolution of the Mercedes S-Class: from W140 to W222 – innovations, model differences, and Mercedes auto parts over the years.