BMW E88 Rear Seat Backrest Convertible Cabrio Cover Leather Boston Black

The rear seat backrest for the BMW E88 convertible, finished in black Boston leather, is an original upholstery component designed for the Convertible version. It provides a cohesive complement to the factory interior, allowing for an aesthetic and functional replacement of a worn or damaged rear seat backrest.

Specifications and technical data

• SKU: 9139451
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9139451
• Substitutable numbers: 52209139451, 9139451, BG
• Location on the vehicle: Rear
• Upholstery material: Leather
• Color: Black
• Category: Seats and Sofas

Purpose and Fitment for BMW E88 Cabrio

The presented rear seat backrest has been specifically designed for the BMW 1 Series E88 Cabrio body style, intended for installation in the rear passenger compartment. The construction matches the factory mounting points, which simplifies installation and ensures proper alignment with other upholstery elements and the rear door panels.

This component is part of the Seats and Bench Seats group, making it an ideal fit within the original BMW interior architecture, maintaining the stylistic consistency and ergonomics intended by the manufacturer.

Upholstery Material and Characteristics

The backrest is finished with leather upholstery, in the Boston variant, in black. The leather surface provides a pleasant-to-the-touch, durable material that withstands daily use in a convertible cabin well. The dark color makes it easy to maintain visual cleanliness and matches most BMW E88 interior configurations.

The leather upholstery of the rear seat bench contributes to passenger comfort while also enhancing the overall perceived quality of the interior, which is important for both usability and potential resale value.

Function in the Cabin and Benefits of Replacement

The rear seat backrest in a convertible is responsible not only for passenger comfort but also for the aesthetic continuity of the rear cabin. Replacing a worn component with an original leather backrest allows you to:

• restore a cohesive look to the rear interior,
• reduce visible signs of wear, such as scuffs or discoloration,
• maintain the premium finish characteristic of BMW,
• ensure compliance with the factory specifications of the E88 Cabrio model.

As a used part, the backrest offers a reasonable compromise between cost and maintaining the original interior character, especially for comprehensive interior refurbishment.

Application in Interior Renovation and Practical Aspects

Replacing the rear seat backrest is particularly recommended for interior renovations after intensive use or after bodywork repairs to the rear of the vehicle. The black leather finish allows for easy matching with existing front seats and other upholstery elements, without the need to alter the entire interior configuration.

If you are planning a comprehensive repair or upgrade of the seating area in your BMW and need other parts from the same group, such as seat bases, backrests, or complete bench seats, check the available parts in the BMW Seats and Bench Seats category.

How the Backrest Affects Comfort and Car Value

An original leather rear seat backrest has a real impact on the perceived comfort of passengers during driving, especially in a convertible where the interior is highly exposed. Consistent, well-maintained upholstery enhances the driving experience and can positively influence the perceived value of the vehicle on the used market.

If you are considering a broader cabin modernization and want to better understand how branded used upholstery elements affect comfort and car valuation, it is worth reading the article: Interior Metamorphosis: How Branded Used Seats Drastically Improve Comfort and Increase Your Car's Value.