BMW 3 Series E90 E91 Door Sill Strip Rear Left 51477146345 51437066991

BMW 3 Series E90 E91 Door Sill Strip Rear Left is an original body component designed for installation in the rear left sill area of 3 Series E90/E91 vehicles. Thanks to its factory-fit design, it ensures a seamless finish to the side body area and correct alignment of the sill line. It is a practical solution for users who want to maintain the original appearance and functionality of the sill after repairs or replacement of bodywork components.

Specifications and technical data

• SKU: 7066991-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51477146345
• Substitutable numbers: 51477146345, 7146345, 51437066991, 7066991
• Location on the vehicle: Rear, Left
• Category: Other Interior Parts & Accessories

Purpose and vehicle placement

The presented strip is dedicated for installation in the rear left part of the sill, which means it is precisely matched to the body geometry of the BMW 3 Series E90/E91. Its placement in this area of the body contributes to the aesthetic finish of the lower edge of the chassis and protects the sill zone from daily operational wear.

Thanks to its factory design, the strip works with original mounting points, which facilitates installation and allows for maintaining the consistency of the side body line without the need for modifications.

Technical and functional characteristics

The door sill strip has been designed as a component structurally compliant with the vehicle manufacturer's requirements. It is responsible for:

• aesthetic closure of the rear part of the sill on the left side,
• completing the factory side trim,
• maintaining the correct alignment of the sill edge in relation to the door and wheel arch.

The original origin of the component helps maintain correct mounting gaps and compatibility with other body components in this area.

Condition and use in body repairs

The item comes from disassembly, which makes it an attractive solution for post-accident repairs, replacing damaged strips, or restoring the vehicle to a factory-like condition. A used door sill strip allows for reduced service costs while maintaining the original BMW specification in the rear sill area.

It is a practical choice for body and paint shops as well as individual users who expect compliance with the factory design without the need to use replacements with uncertain fitment.

Integration with other BMW sill zone components

If you are planning a comprehensive repair or upgrade of the sill zone 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.

When selecting body components, it is worth paying attention to compatibility with the specific generation and body version of the 3 Series to ensure proper fitment and a uniform appearance of the entire side zone of the vehicle.

Substantive support and knowledge development about parts

For those interested in a broader context of selecting components for premium cars, including differences in construction and equipment of sports variants, an article comparing technical solutions in high-performance models may be helpful. For this purpose, it is worth reading the material: Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate mechanical and body components depending on the version.