BMW E93 Convertible Sport Front Seat Backrest Lumbar Width Adjustment Support

BMW E93 Convertible Sport Front Seat Backrest Lumbar Width Adjustment Support is an original interior component from the Seats and benches category, designed for installation in the front of the vehicle. Its sporty design and integrated lumbar support provide significantly better back support and a stable position behind the wheel. This is a solution for drivers who want to improve ergonomics while maintaining the factory character of their BMW interior.

Specifications and technical data

• SKU: 9113361-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9113361
• Substitutable numbers: 52109113361, 9113361, BG
• Location on the vehicle: Front
• Category: Seats and Sofas

BMW sport seat characteristics

The presented sport seat has been designed specifically for BMW models as a front-row seat component. The contoured seat and backrest promote secure body support during dynamic driving while allowing for comfortable long-distance travel. The seat structure is optimized for rigidity and stability, which translates into a precise feel of the car.

A key element is the pump-up lumbar support, which allows the shape of the backrest to be adjusted to the driver's individual needs. Lumbar adjustment helps relieve the spine, reduce fatigue, and improve the ergonomics of the driving position, which is important both in daily use and during longer trips.

Lumbar support function and ergonomics

The lumbar support system in this sport seat acts as an additional support chamber in the middle part of the backrest. When inflated, it increases the contact between the back and the seat, stabilizing the lumbar region and helping to maintain a correct sitting posture. As a result, the seat works better with the natural curvature of the spine, which can reduce muscle tension while driving.

The placement of the seat in the front of the vehicle facilitates precise positioning relative to the steering wheel and pedals. The properly selected geometry of the seat and backrest makes it easier to find the right working position, which is particularly important in cars with a more dynamic character. The sporty profile of the seat supports the body in corners while remaining functional for everyday use.

Application and integration with the BMW interior

The seat has been developed as a component dedicated to the BMW interior, which means maintaining consistent styling and mounting compatibility with factory attachment points. This allows for the replacement of a standard seat with a sport version without interfering with the body structure. It is a practical way to improve comfort and lateral support while preserving the original character of the cabin.

As a part from the Seats and benches category, the sport seat can serve as a base for further interior personalization – for example, by matching the remaining seats or replacing the steering wheel with a more sporty model. This approach allows for gradual cabin modernization while maintaining compliance with the solutions used by the manufacturer.

Benefits of choosing an original BMW seat

Choosing an original BMW sport seat primarily ensures a secure fit to the vehicle's structure and the preservation of factory ergonomics. Installation in the front of the car does not require modifications to the mounts, which reduces labor time and the risk of compatibility issues. Additionally, the use of pump-up lumbar support allows the seat to be better adapted to the driver's physique than in standard seats lacking this function.

If you are planning a comprehensive repair or upgrade of the front seat area in your BMW and need other components from the same group, such as passenger seats, rear benches, or additional adjustment modules, check the available parts in the BMW Seats and benches category.

Expanding interior tuning

When installing a sport seat with lumbar support, it is worth looking at the car's interior as a whole. Changing the seat can be the first step toward broader cabin tuning – from improving ergonomics to visual modifications. To better plan such activities and learn practical examples of using pre-owned interior components, read the article Car interior tuning with Global Parts, which describes how second-hand seats and steering wheels can transform the character of a car.