BMW X3 Series E83 Front Right O/S Driver Side Seat Backrest Frame Mechanism

BMW X3 Series E83 Front Right O/S Driver Side Seat Backrest Frame Mechanism is an original structural component from the Seats and benches category, designed for installation on the driver's side. It serves as a solid load-bearing base responsible for stable backrest support, proper adjustment operation, and safe load distribution while driving.

Specifications and technical data

• SKU: 8245376-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8245376
• Substitutable numbers: 52108245376 52108226268, 8245376 8226268
• Weight: 150
• Location on the vehicle: Front, Right
• Category: Seats and Sofas

Purpose and function in the vehicle

The presented frame is dedicated to the front right seat in the BMW X3 E83 series, on the driver's side. It is responsible for maintaining the geometry of the backrest, working with adjustment mechanisms, and ensuring the correct positioning of the upholstery and seat cushions. Thanks to its factory design, it ensures compatibility with the original mounting points in the body and the standard seat rails.

Construction and technical properties

The backrest mechanism is based on a steel support frame, adapted for operation in demanding conditions inside the cabin. The design has been engineered to:

• provide stable support for the driver's back across the full range of adjustment,
• maintain appropriate rigidity during backrest position changes,
• work with the standard seat adjustment components,
• allow for the correct installation of the upholstery and backrest foam.

The specific weight of the component is a result of using materials with appropriate strength, which translates into durability and resistance to deformation during years of operation.

Benefits of using an original frame

Using an original backrest frame mechanism in the BMW X3 E83 allows you to maintain factory ergonomics and seating comfort. Proper fitment to the seat structure reduces the risk of play, rattles, and improper adjustment operation. This is particularly important during intensive vehicle use, frequent seat position changes, and long journeys, where stable driver back support has a direct impact on reducing fatigue.

This type of component from the Seats and benches group is a good choice for repairing a damaged backrest, refurbishing a seat after a collision, or restoring full interior functionality after years of use.

Condition, fitment, and service application

The product is used, which in practice means it has been removed from a vehicle and verified for further serviceability. The original construction ensures compatibility with factory BMW X3 E83 seats on the driver's side, mounted at the front of the vehicle. As a result, the frame is suitable both for replacing a damaged mechanism and for interior reconstruction after body or mechanical repairs.

If you want to plan your interior upgrade more broadly and are considering replacing entire seats, upholstery, or seat sets, it is worth checking out tips on comfort and vehicle value – you will find them in the article Interior metamorphosis: how branded seats from dismantling improve comfort and increase the car's value.

Support in selection and expansion of the seating area

If you are planning a comprehensive repair or upgrade of the seating area in your BMW and need other components from the same group, such as frames, rails, or complete seats, check out the available parts in the BMW Seats and benches category.

When selecting structural seat components, it is also worth considering when it is worth choosing used components versus new replacements – a practical comparison of both solutions can be found in the guide Car parts – new or used? A comparison of costs and durability.