Description
The BMW F20 F21 Left Rear Trunk Sill Cover Panel is an original body part from the Trunk Lid & Rear category, designed for installation in the rear left area of the trunk. It provides an aesthetic finish to the trunk sill while protecting the loading edges from mechanical damage and wear.
Specifications and technical data
- SKU: 7286003
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7286003
- Substitutable numbers: 51477286003, 7286003
- Location on the vehicle: Rear, Left
- Part type: Bootlid
- Category: Boot & Hatch Lids
Purpose and Function of the Part
The trunk sill cover panel has been specifically designed for BMW F20/F21 models, taking into account the geometry of the rear body. Its placement in the rear – left side area allows for precise fitting to factory mounting points and maintains a cohesive finish for the trunk interior.
The part serves several key technical roles:
- protects the trunk sill edge from scratches and scuffs during loading,
- stabilizes the side trim in the rear of the vehicle,
- supports the correct geometry of the trunk assembly on the left side.
Construction and Fit for BMW F20/F21
As part of the Trunk Lid & Rear category, the panel is structurally adapted to BMW’s factory mounting system, which simplifies installation and reduces the need for additional modifications. The shape and profile of the cover are consistent with the side body line of the F20/F21 series, ensuring a cohesive and tidy finish for the trunk space after installation.
The appropriately shaped working surface of the panel allows for:
- secure adhesion to adjacent trunk upholstery elements,
- reduction of unwanted gaps and rattles in the rear of the vehicle,
- maintaining an aesthetic appearance of the loading area for a longer period.
Characteristics of a Used Part
The cover is a used component, meaning it comes from a dismantled vehicle and has prior usage. This type of part is a cost-effective solution for owners and workshops looking for a factory fit while maintaining reasonable costs for repair or restoration of the original trunk assembly.
In practice, using a used OEM part allows for:
- compliance with the original BMW specification,
- reduction of installation issues typical for aftermarket parts with universal profiles,
- restoration of the correct appearance and functionality of the left side of the trunk sill.
Application in Repairs and Upgrades
The left rear trunk sill cover panel is suitable for both accident repairs and replacement of worn or damaged trim elements. It is particularly useful when the existing panel shows signs of intensive use, cracks, or deformations that affect the comfort of using the trunk.
If you are planning a comprehensive repair or upgrade of the rear area of your BMW and need other parts from the same category, such as interior covers, trim panels, or sill strips, check the available parts in the BMW Trunk Lid & Rear category.
Support with Selection and Secure Online Purchase
When selecting the correct trunk sill panel cover, it is always advisable to base your choice on vehicle data and manufacturer markings to ensure full compatibility with your specific BMW F20/F21 version. If in doubt, comparing the shape and mounting points with the currently installed part in your car can be helpful.
For users who wish to deepen their knowledge on verifying used body components, checking compatibility, and safe purchasing practices, a practical guide has been prepared – find more information in the article Safe Online Purchase of Used Car Parts – A Step-by-Step Guide.






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