BMW 3 Series E91 Trink Flap Trim Boot Cover Grey Left N/S 9172857

BMW E91 Trunk Side Trim Panel Left 9172857 is an original cargo area trim element designed for installation on the left side of the trunk. Its grey, aesthetic surface ensures a cohesive interior appearance, and its precisely fitted design facilitates quick installation and restoration of the factory look of your BMW's trunk.

Specifications and technical data

• SKU: 9172857
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9172857
• Substitutable numbers: 9172857, 51479172857, 51477068881, 7068881
• Weight: 150
• Location on the vehicle: Left
• Color: Grey
• Category: Other Interior Parts & Accessories

Intended Use and Function of the Element

The presented trunk side trim panel has been specifically designed for the BMW E91 body style, intended for the left side of the cargo area. This element is responsible for the aesthetic finishing of the trunk wall, covering the body structure, and visually organizing this area. Thanks to its precise shape, the panel integrates well with factory mounting points and other trim panels.

Color Scheme and Visual Matching

The trim panel is made in a grey color, characteristic of many BMW E91 interior configurations. This color allows for harmonious integration with the other trunk panels, floor, and rear seat backrests. The grey shade is practical for everyday use – it effectively masks typical wear and tear and helps maintain an organized appearance of the cargo area.

Functional Parameters and Installation

The element is intended for installation on the left side of the trunk, which simplifies unambiguous identification during service work or when assembling missing panels. The design of the panel is adapted to the factory mounting points in the body, promoting stable seating and reducing the risk of unwanted play or resonance while driving. The specified weight of the element is chosen to ensure adequate rigidity without excessively loading the vehicle's structure.

Product Characteristics and Condition

The trunk side trim panel belongs to the group of finishing elements that significantly impact the comfort of daily car use – they protect the bodywork from the inside, improve acoustics, and organize the cargo space. The product comes from the BMW offering, which means adherence to factory geometry and compatibility with the specific model. As a used part, it represents a cost-effective solution for users who want to restore the original trunk appearance without the need to invest in a new element.

Why Choose This Trunk Side Panel

Replacing a damaged or missing side trim with an original trunk side panel dedicated to the BMW E91 allows you to:

• restore a cohesive, factory appearance to the cargo area,
• reduce noise and vibrations coming from the wheel arch and trunk area,
• protect the internal body elements from accidental mechanical damage,
• maintain high functionality and ergonomics of trunk usage.

By using an original trim panel, you gain confidence in its proper fit with the body structure and its compatibility with other interior elements.

If you are planning a comprehensive repair or modernization of the trunk area in your BMW and need other elements from the same group, such as side trim panels, wheel arch covers, or additional cargo space organizers, check the available parts in the Other BMW category.

To better understand the structural differences between various model lines and the impact of implemented solutions on vehicle operation, it is worth consulting a guide – helpful information can be found in the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses, among other things, manufacturers' approaches to designing key components.