Backrest Lock BMW F20 F21 F31 Rear Seat Folding Left N/S Catch 7274541

Backrest Lock BMW F20 F21 F31 Rear Seat Folding Left N/S Catch is an original mounting component designed to secure the rear backrest on the left side in BMW F-series vehicles. Thanks to its factory design, it ensures secure backrest locking, stability while driving, and proper cooperation with other components of the seat folding system. This is a practical solution for users who want to restore the full functionality of the rear seat while maintaining factory safety standards.

Specifications and technical data

• SKU: 7274541-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7274541
• Substitutable numbers: 7274541, 52207274541
• Location on the vehicle: Rear, Left
• Category: Additional Seat Parts

Purpose and function of the backrest lock

The presented lock is a component of the rear backrest mounting system on the left side of the body, installed in the rear part of the vehicle. It is responsible for mechanically locking the backrest in the operating position, which limits its uncontrolled movement and supports the stability of transported passengers and cargo. A properly functioning lock minimizes play, reduces unwanted noises from the rear seat area, and ensures the correct operation of the folding mechanism.

Compatibility with BMW F-series

The element has been designed specifically for the BMW F-series platform, which translates into a proper fit to the body structure and the geometry of the rear seat. Its placement in the rear zone, on the left side, allows for seamless integration with factory mounting points and the standard backrest release mechanism. As a result, installation is predictable, without the need to modify the seat or body structure.

Technical characteristics and installation

The rear seat backrest lock belongs to the Other seat parts group, i.e., components complementing the main structure of seats and benches. Its construction is designed for operation in the horizontal and vertical axis of the backrest, taking into account the loads generated during driving and while folding and unfolding the seats. Installation involves seating the lock in the mounting points provided by the manufacturer and properly aligning it with the backrest catch so that the locking mechanism operates smoothly and without jamming.

When replacing, it is recommended to:

• check the condition of the catch on the backrest side,
• verify play in the folding mechanism,
• check the correct closing of the backrest after installation.

Benefits of using an original lock

Using an original backrest lock in a BMW F-series allows for maintaining the structural consistency of the entire seat system. Precise fitment with factory mounting points limits the risk of improper backrest closing and also reduces the likelihood of creaks and rattles while driving. This is particularly important in vehicles where the rear seat is frequently folded to increase luggage space.

An element from this group is a good choice for:

• repairs after mechanical damage to the backrest or mounts,
• eliminating play and noise in the rear part of the cabin,
• comprehensive renovation of the seat system in a BMW.

Part condition and practical aspects

The part comes from dismantling, which allows combining original manufacturing quality with a favorable repair cost. In practice, this means the ability to restore the full functionality of the rear seat without having to resort to unreliable replacements. A properly selected left-side backrest lock allows for maintaining the factory seat geometry and the correct alignment of the backrest line relative to the body.

If you are planning a comprehensive repair or upgrade of the seat zone in your BMW and need other elements from the same group, such as guides, adjustment mechanisms, or additional mounts, check the available parts in the Other BMW seat parts category.

When planning an economical repair, it is also worth learning about good practices for selecting used brake system components – they are discussed in more detail in the article Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven recycled parts, which shows how to safely use the recycled parts market and apply these principles to other vehicle components as well.