BMW 1 Series E87N LCI Cover B-Column Bottom Right O/S Alaskagrau

BMW 1 Series E87N LCI Cover B-Column Bottom Right O/S Alaskagrau is an original interior trim component designed for installation on the right side of the vehicle. This used BMW component allows for an aesthetic and functional repair of the side cabin area, maintaining the factory character of the upholstery and color consistency with the remaining panels.

Specifications and technical data

• SKU: 9128874
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9128874
• Substitutable numbers: 91288734, 51439128874, 9128868
• Weight: 150
• Location on the vehicle: Right
• Category: Other Interior Parts & Accessories

Purpose and function of the component

The lower B-column cover in the E87N LCI version is responsible for the aesthetic finish of the central body pillar in the lower section, on the passenger side. This component:

• masks the pillar structure and the installations routed within it,
• stabilizes the side interior trim in the area of the door sills and seat belt mounts,
• ensures a visually consistent division between the floor, door sill, and upper pillar panels.

Thanks to its fitment for the specific BMW 1 Series E87N LCI generation, the cover maintains the correct geometry and parting lines, which facilitates installation and reduces the risk of improper fitment with adjacent upholstery elements.

Construction, color, and fitment

The presented B-column cover was manufactured as part of the factory interior equipment in the Alaskagrau shade, characteristic of selected BMW 1 Series configurations. Using an original component allows you to maintain:

• a uniform surface structure compared to the remaining panels,
• color consistency with the factory upholstery,
• appropriate rigidity and resistance to typical operational loads.

The placement on the right side of the vehicle means the component is intended for a specific mounting position, which eliminates the need for adjustments or shape modifications.

Benefits of using an original cover

Using an original lower B-column cover in the BMW 1 Series E87N LCI allows for a technically correct interior repair after mechanical damage, disassembly, or service interventions. The main advantages include:

• factory fitment to the body structure and mounting points,
• preservation of the original cabin appearance without visible modifications,
• the ability to restore finish consistency after replacing other elements in this zone.

The used nature of the part allows for an economical repair while maintaining the OEM standard, which is particularly important during comprehensive interior renovation or preparing the car for resale.

Mounting zone and technical aspects

The cover operates in the area of the central body pillar, in the lower section, where it is exposed to contact with passengers' footwear and typical operational dirt. A properly selected component:

• protects the pillar structure from accidental impacts inside the cabin,
• stabilizes adjacent trim panels,
• enables correct routing and seating of elements mounted in this zone.

The appropriately selected weight and geometry of the cover promote secure mounting in factory points, without excessive stress or play, which translates into reducing unwanted noises while driving.

If you are planning a comprehensive repair or upgrade of the side interior zone in your BMW and need other elements from the same group, such as covers, panels, or additional trims, check the available parts in the Other BMW category.

Technical support and expert knowledge

When selecting interior trim elements and body components, it is worth using reliable sources of knowledge and comparisons between different model versions. For drivers interested in analyzing structural differences between sports variants and standard ones, the article Audi RS vs other models – what is hidden under the hood and chassis? may be helpful, as it shows how changes in the chassis and equipment affect the character of the car.