BMW 3 Series E90 E91 M Sport Trim Piece Rear Left Entry N/S 7907159

BMW 3 Series E90 E91 M Sport Trim Piece Rear Left Entry N/S is an original trim component for the door sill area, designed for installation on the rear left side of the vehicle body. Thanks to its perfect fit for the M Sport version, it ensures a cohesive look with the factory styling package and improves protection of the door sill against mechanical damage. This is a practical solution for users who want to maintain the aesthetics and functionality of the side body area in their BMW 3 Series E90/E91.

Specifications and technical data

• SKU: 7907159
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7907159
• Substitutable numbers: 51477907159, 7907159
• Location on the vehicle: Rear, Left
• Category: Other Interior Parts & Accessories

Purpose and function of the door sill trim

The presented door sill trim has been designed specifically for the rear left side of the BMW 3 Series E90/E91 generation with the M Sport package. Its purpose is to protect the door sill from scratches, minor impacts, and dirt that occur during daily vehicle use, especially when passengers enter and exit the rear seats.

This element visually stabilizes the lower body line, ensuring a seamless transition between the door, the sill, and the wheel arch. Thanks to its factory profile, the trim works with the original mounting points, which facilitates installation and helps maintain the correct geometry of the cover.

Benefits of using an original M Sport trim

Using an original M Sport door sill trim offers a range of practical and visual benefits:

• maintaining the factory look of the BMW E90/E91 side body,
• better fitment to the door and sill lines compared to aftermarket replacements,
• reduced risk of corrosion and paint damage in the door sill area,
• easier cleaning of the lower body section.

As a component intended for the rear – left side, the trim allows for precise replacement of a damaged part without interfering with other body trim elements. This is particularly important for post-accident repairs and when restoring a vehicle to its factory-like condition.

Installation characteristics and fitment

The BMW 3 Series E90 E91 M Sport Trim Piece Rear Left Entry N/S is intended for installation in a specific location on the vehicle, which minimizes the risk of incorrect part selection. The vehicle placement defined as rear – left side allows for clear identification of its position relative to the body. The element works with the factory mounting points in the chassis, which makes the work easier for body shops and painters and reduces repair time.

Due to its design tailored to the M Sport package, the trim maintains the correct sill line and compatibility with other aerodynamic package elements. This is important for vehicles where both correct fitment and the characteristic sporty look of the M version are prioritized.

Part condition and practical application

The offered trim is a used part, which makes it a reasonable choice for maintenance repairs and vehicle restoration after side damage. A used original part often provides better fitment than new aftermarket replacements, especially in areas of the body where precision and compliance with factory geometry are crucial.

The trim is suitable for both workshops specializing in the BMW brand and individual users who are independently sourcing parts for the repair or upgrade of the door sill area in their car.

If you are planning a comprehensive repair or upgrade of the door sill area in your BMW and need other elements from the same group, such as covers, overlays, or additional trim pieces, check out the available parts in the Other BMW category.

Part selection by OEM number and technical support

When selecting BMW body components, it is particularly important to verify the compatibility of the part with the specific body version, model year, and equipment package. In case of doubt, it is worth using the OEM number or interchangeable numbers to avoid problems with installation and fitment.

If you want to streamline the component selection process and efficiently verify the compatibility of the part with your car, the following practical guide will be helpful: how to choose the right car part by VIN and OEM number. You will find a step-by-step procedure and tips on what to pay attention to when purchasing used body parts.

For those interested in comparing the character of sporty car versions with their standard counterparts, in the context of the drivetrain, brakes, and chassis, an interesting addition to your knowledge might be the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate the construction and equipment in more dynamic versions of their models.