BMW 1 3 Series E87 E90 E91 Mechanism Frame Carrier Backrest Front Right O/S Seat

BMW E87 E90 E91 Seat Frame Skeleton Right is a factory original front seat frame, designed for BMW 1 and 3 Series models. This component provides a solid structural base for the passenger seat, enabling professional interior repairs or modifications while maintaining proper geometry and safety.

Specifications and technical data

• SKU: 7118420-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7118420
• Substitutable numbers: 52107118420, 7118420, 52106982918, 6982918
• Location on the vehicle: Front, Right
• Gearbox type: Manual
• ECU type: Engine Control Unit
• Category: Seats and Sofas

Vehicle Application and Function

The offered BMW right front seat skeleton belongs to the Seats and Benches category and is responsible for the load-bearing structure of the seat and backrest. It supports all adjustment mechanisms, sliders, cushions, and upholstery, making its correct geometry crucial for:

• stable seat mounting to the vehicle body,
• maintaining the passenger's correct position relative to seat belts and airbags,
• proper operation of height, slide, and tilt adjustment mechanisms,
• overall seat structural rigidity during daily use.

Located in the front passenger side, this frame is dedicated to the passenger seat, integrating with factory mounting points in the floor and center console.

Compatibility and Technical Aspects

The frame is designed to work with drivetrains equipped with a manual transmission, which is important when selecting sliders, covers, and potential additional mountings in the center console. The construction is consistent with BMW solutions where interior architecture and seat positions are correlated with drivetrain parameters and the Engine Control Unit configuration.

By retaining factory mounting points and geometry, the skeleton allows for:

• precise alignment with original sliders and adjustment mechanisms,
• maintaining the manufacturer-intended seat position relative to the steering wheel, pedals, and dashboard,
• easier installation of upholstery and any seat-integrated safety systems.

Application in Repairs and Interior Modifications

A used BMW seat frame is a practical solution in situations where:

• mechanical damage to the seat structure has occurred (e.g., after a collision or strong impact),
• frame corrosion or deformation affects seat stability,
• interior swaps between BMW E87/E90/E91 models are being performed,
• interior tuning projects require maintaining the original seat geometry.

Combined with appropriate upholstery and hardware, such a frame allows for restoring the seat's factory functionality or preparing a base for more advanced modifications, while adhering to manufacturer safety standards.

If you are planning a broader cabin modernization, it's worth checking out the guide Car Interior Tuning with Global Parts – Used Seats and Steering Wheels, which describes a practical approach to using pre-owned equipment.

Condition, Origin, and Benefits of Choosing BMW Parts

The offered component is an original BMW part from the Seats and Benches segment, sourced from disassembly. Choosing such a part ensures:

• compliance with factory technical documentation and BMW's structural solutions,
• guaranteed fitment with the vehicle body and other seat components,
• optimal cost-to-quality ratio compared to low-quality aftermarket alternatives.

As a structural element, the frame is not subject to rapid wear and tear, making a used part of this type a rational choice for interior repairs and reconstructions.

Expanding BMW Seat Configurations

If you are looking for other solutions within the same product group, for example, for a complete interior overhaul, check out the available BMW Seats and Benches, which will allow you to consistently select other cabin equipment elements.