BMW F20 M135i Door Entrance Cover Sill Step Plate Left Right N/O/S Set 8055520

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW F20 M135i Door Entrance Cover Sill Step Plate Left Right N/O/S Set is a set of original sill components designed for installation on the left and right sides of the vehicle body. The set ensures a consistent finish for the sill area, improves door edge protection, and facilitates an aesthetic, technically correct restoration of the side body section in the BMW 1 Series F20 M135i. Thanks to the preservation of factory geometry, the sill plates work perfectly with the original mounts and body lines.

Specifications and technical data

• SKU: 8055520
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8055520
• Substitutable numbers: 8055520, 51478055520
• Location on the vehicle: Right, Left
• Category: Doors & Door Skins

Purpose and function of the sill component

The presented set of sill plates has been designed as an integral part of the BMW sill area, responsible for protecting the sill against mechanical damage during entry and exit, as well as when closing the doors. These elements visually stabilize the side line of the body, mask sheet metal edges, and help reduce the accumulation of dirt in critical areas near the doors.

The set includes a plate for both the left and right sides, allowing for the simultaneous replacement of both sides and the maintenance of visual symmetry. Such a solution is particularly beneficial for post-accident repairs or when refreshing the bodywork of daily-driven vehicles.

Construction and fitment for the BMW F20 M135i

The set of sill plates has been developed for a precise fit to the BMW F20 M135i body, maintaining factory mounting points. The properly shaped profile ensures correct adhesion to the sill and proper alignment with the lower edge of the door, which reduces the risk of looseness, rattling, or unwanted vibrations while driving.

Placement on the vehicle on the right and left side allows for clear assignment of the components to a specific mounting position, which facilitates workshop work and shortens repair time. The use of original geometry promotes the maintenance of tightness in the sill area and improves protection against moisture and dirt.

Application in body and paint repairs

The set of sill plates is suitable for both local repairs after mechanical damage and for broader body and paint work in the area of the doors and sills. Replacing both elements in one process allows you to:

• achieve a visually consistent effect on the left and right sides,
• minimize differences in shade and finish texture,
• restore the factory character of the BMW F20 M135i side body line.

Thanks to the use of dedicated sill plates, the original appearance of the sill area can be recreated in a controlled manner, which is important both aesthetically and functionally – especially in intensively used vehicles.

Characteristics of the used product

The offered set comes from the group of used components, which allows for economical repair while maintaining the original origin of the parts. This type of solution is often chosen by workshops specializing in the BMW brand and by users who want to reduce renovation costs while maintaining compliance with the vehicle's factory specifications.

Before installation, it is recommended to perform a standard verification of the surface condition and prepare the components according to the procedure adopted in a given workshop (cleaning, possible adjustment, inspection of mounting points) to ensure a durable and stable seating of the plates on the sills.

Integration with other BMW body components

The sill plates work with other components from the Doors and door panels group, such as door skins, seals, or lower covers, creating a coherent protection system for the side part of the body. Proper fitment of these elements affects user comfort – it reduces noise, improves protection against dirt, and helps maintain a stable gap line between the door and the sill.

If you are planning a comprehensive repair or modernization of the sill area in your BMW and need other elements from the same group, such as covers, overlays, or additional plates, check the available parts in the BMW Doors and door panels category.

Support in optimizing repair costs

Choosing used body components is one of the popular methods of reducing car maintenance costs while maintaining an appropriate level of quality. If you are interested in the broader context of using original used and replacement parts in vehicle repairs, it is worth reading an article describing practical ways to reduce service expenses: Repairing a Volkswagen for pennies? Discover how to save on original car parts.