BMW F40 Rear Seat Left N/S Backrest Back Seat Covering Cloth KKSW 9890505

BMW F40 Rear Seat Left N/S Backrest Back Seat Covering Cloth is an original upholstery component designed for installation on the rear seat on the driver's side. This used, factory-made component allows for an aesthetic and functional replacement of a damaged backrest, maintaining the consistency of the interior finish and the original character of the BMW cabin. The upholstery provides a comfortable seating surface and solid back support for passengers.

Specifications and technical data

• SKU: 9890505
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9890505
• Substitutable numbers: 9890505, 52209890505
• Location on the vehicle: Rear, Left
• Upholstery material: Leather
• Category: Seats and Sofas

Purpose and fitment for BMW F40

The backrest is designed as a rear seat element mounted on the left side of the vehicle, making it a perfect fit for the BMW F40 seating layout. The construction is based on factory mounting points, which promotes precise alignment with other interior elements and stable seating in the vehicle body. This design facilitates installation and helps maintain the original seat geometry.

Material and characteristics of the upholstery

The backrest is finished with upholstery, which increases the perceived level of comfort and the visual quality of the interior. The material provides a pleasant surface, works well with the factory BMW seat design, and is easy to keep clean during daily use. At the same time, this material is resistant to typical operational loads, such as frequent passenger entry and exit or localized pressure.

Function in the seating system and safety

The rear seat backrest plays a key role in the ergonomics and comfort of second-row passengers. The stable construction provides adequate back support, and proper fitment to the interior shape helps maintain the seating position intended by the manufacturer. Using an original element from the same model series limits the risk of mismatch, which could affect the operation of seat belts or other components installed in the rear of the cabin.

Use of a pre-owned component

Choosing an original, used BMW rear seat backrest is a sensible solution for post-accident repairs, replacing worn upholstery, or partial interior renovation. It allows for maintaining color and material consistency with the remaining seats while reducing costs compared to purchasing a new part. A used OEM component is also advantageous in terms of fitment – it comes from the same production line as other BMW F40 interior elements.

Integration with other interior elements

The backrest is designed to work with the factory BMW F40 rear seat, ensuring continuity of the upholstery lines, stitching, and overall cabin styling. Installing a properly selected element helps avoid differences in texture or shape that could occur when using replacements with different specifications. This is particularly important for vehicles where the owner strives to maintain a consistent, manufacturer-standard finish.

If you are planning a comprehensive repair or upgrade of the rear seat area in your BMW and need other elements from the same group, such as backrests, seat cushions, or headrests, check the available parts in the BMW Seats and Benches category.

For drivers interested in broader improvements to the cabin's appearance and ergonomics, including replacing seats or the steering wheel with better-fitted aftermarket elements, our blog guide will be useful: Car interior tuning with Global Parts.