BMW 3 Series E90 E91 LCI Left Door Holding Strip Trim Skirt L1 L2 L3 L4 Set N/S

BMW 3 Series E90 E91 LCI Left Door Holding Strip Trim Skirt L1 L2 L3 L4 Set N/S is an original body component designed for left-side installation in facelifted 3 Series models. Thanks to its factory-spec geometry, it ensures proper support and guidance of the side skirt, which translates into stable mounting of the covers and an aesthetic finish for the lower part of the bodywork. This is a practical solution for users looking to restore the correct side skirt line after body repairs or replacement of exterior components.

Specifications and technical data

• SKU: 7224455-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7224455
• Substitutable numbers: 51777224455, 7224455, 51777202657, 7202657
• Location on the vehicle: Left
• Category: Other Interior Parts & Accessories

Purpose and function of the component

The LCI version side skirt mounting is responsible for a stable connection between the side skirt and the body structure on the left side. This component:

• maintains the correct position of the side skirt covers relative to the bodywork,
• reduces unwanted play and vibrations in the side skirt area,
• helps maintain factory gaps between body panels,
• facilitates the correct installation of subsequent mounting segments marked as L1, L2, L3, L4.

As a result, the side skirt area remains stable, and the vehicle's side profile retains a consistent, factory-original appearance.

Compatibility and fitment

The mounting in question has been designed specifically for the facelifted E90/E91 generation, meaning its shape, mounting points, and profile are adapted to factory design specifications. Its placement on the left side of the vehicle allows for the precise reproduction of the original mounting layout in this part of the body without the need for modifications.

Its original BMW brand origin ensures material and dimensional consistency with other body components, which is crucial for post-accident repairs and when replacing worn-out mountings.

Performance characteristics and installation

This component from the Other category plays an important auxiliary role in the entire side skirt mounting system. In practice, this means that it:

• facilitates the installation and removal of side skirt covers during service work,
• helps maintain the appropriate rigidity of the side body section in the skirt area,
• reduces the risk of improper panel alignment after body and paint repairs.

The used condition allows for an economical restoration of mounting functionality while maintaining the original design. This is a beneficial solution for users seeking factory fitment at a reasonable price.

Use in repairs and upgrades

The left-side skirt mounting is suitable both for standard replacement of a damaged part and for more extensive work in the side skirt area, e.g., after a collision or due to corrosion. By preserving the original body geometry, it facilitates:

• restoring the side skirt line after sheet metal replacement,
• correct alignment of moldings and covers,
• maintaining the tightness and aesthetics of the lower body section.

If you are planning a comprehensive repair or upgrade of the side skirt area in your BMW and need other components from the same group, such as covers, overlays, or additional strips, check out the available parts in the Other BMW category.

Technical support and expert knowledge

When selecting body components as well as parts related to vehicle performance and handling, it is worth using reliable sources of information. To better understand the design differences between sports versions and standard models, as well as the importance of properly selected parts, read the article Audi RS vs other models – what is hidden under the hood and chassis?. This will allow you to better assess how important it is to use the correct components in key areas of the car, including the bodywork zone.