BMW 1 3 Series E81 E82 E92 Front Left Seat N/S Backrest Frame Mechanism Carrier

BMW 1 3 Series E81 E82 E92 Front Left Seat N/S Backrest Frame Mechanism Carrier is an original structural component designed for installation on the driver or front passenger side, ensuring proper backrest support and stable mounting of the adjustment mechanism. This component from the Seats and benches group is suitable for users who want to carry out a technically correct repair or upgrade of the seat in their BMW, maintaining factory geometry and safety.

Specifications and technical data

• SKU: 7135545
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7135545
• Substitutable numbers: 52107118420, 7118420, 52106982918, 6982918, 52107135545, 7135545
• Weight: 150
• Location on the vehicle: Front, Left
• Category: Seats and Sofas

Purpose and function of the component

The BMW 1 3 Series E81 E82 E92 Front Left Seat N/S Backrest Frame Mechanism Carrier is responsible for the load-bearing structure of the backrest, to which the foam, upholstery, and adjustment mechanisms are attached. As a component dedicated to front left-side installation, it ensures correct positioning of the backrest relative to the seat rails and the vehicle floor, which is important for both ergonomics and passive safety.

A load-bearing structure of this type is crucial for post-collision repairs, replacing a damaged seat, or transferring equipment between BMW vehicles. Using an original frame allows for maintaining compatibility with factory mounting points and proper operation with standard backrest adjustment mechanisms.

Construction and technical compatibility

The seat backrest in a BMW is based on a rigid frame that transfers loads from the driver's or passenger's back to the rails and the body. The presented frame has been designed specifically for 1 and 3 Series models, ensuring that the mounting geometry is matched to the factory points in the seat and to the standard adjustment mechanisms. This facilitates installation and reduces the need for additional modifications.

This component can be used both for standard replacement of a damaged backrest and for interior modifications where maintaining the original seat load-bearing structure is required. Using a dedicated frame minimizes the risk of improper upholstery fitment, squeaking, or play in the backrest mechanism.

Use in repairs and interior tuning

The BMW 1 3 Series E81 E82 E92 Front Left Seat N/S Backrest Frame Mechanism Carrier will prove useful in several typical service scenarios:

• replacing a damaged or corroded backrest while retaining existing upholstery,
• transferring interiors between BMW vehicles while maintaining the factory seat structure,
• preparing a base for installing different upholstery or foam with a modified profile,
• repairing a seat after a side airbag deployment, when the backrest structure has been damaged.

For those planning broader cabin modifications, such as changing seats to versions with different finishes or profiles, other components from the same group may also be useful. More practical tips on using used seats and equipment components can be found in the article Car interior tuning with Global Parts, which discusses how to effectively refresh the cabin using second-hand parts.

Characteristics of the used component

The offered frame comes from the secondary market, which allows for an economical seat repair while maintaining the original BMW construction. A used component of this type is a good choice in situations where the priority is compliance with factory specifications and compatibility with existing mechanisms and upholstery, while there is no need to invest in a new, expensive part.

Before installation, a standard visual inspection and verification of compatibility with the specific seat version in a given BMW vehicle is recommended to ensure proper operation of the backrest adjustment and correct fitment with other seat parts.

Integration with other BMW components – Seats and benches

When performing comprehensive work on BMW seats, it is worth considering other components from the same group, such as seat cushions, rails, or additional structural elements. If you are planning a comprehensive repair or upgrade of the seating area in your BMW and need other items from the same group, such as seat frames, complete seats, or additional mounting hardware, check the available parts in the BMW Seats and benches category.

Summary of benefits

The BMW 1 3 Series E81 E82 E92 Front Left Seat N/S Backrest Frame Mechanism Carrier is a solution for users who expect factory-fit seat construction and the ability to carry out repairs or modifications based on an original part. Thanks to its dedicated design for front left-side installation, this component makes it easier to maintain the correct driving position, proper backrest mechanism operation, and consistent interior aesthetics after service work is completed.