BMW 3 Series E90 Aluminium Strip Trim Rear Left Door N/S Glacier Silber Silver

The Left Rear Door Aluminum Trim Strip for BMW 3 E90 in Glacier Silber Metallic A83 is an original body finishing element that allows you to restore the cohesive look of the car's side after damage or removal. Thanks to its precise fit to the door line and the factory shade of Glacier Silber Metallic paint, the trim strip is an aesthetic and functional addition to the original styling of the BMW 3 Series E90.

Specifications and technical data

• SKU: 9145409
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9145409
• Substitutable numbers: 51429145409, 9145409, 9145413, EM
• Location on the vehicle: Rear, Left
• Color: Glacier Silber Metallic - A83
• Category: Other Interior Parts & Accessories

Purpose and Fitment for BMW 3 Series E90

The presented aluminum trim strip is designed as a finishing element for the left rear door of the BMW 3 Series E90 generation. The construction is based on the factory body geometry, which allows for installation in place of the original trim strip without the need for bodywork modifications. The replication of the shape and mounting points ensures proper adhesion to the door panel and stable seating during vehicle operation.

Glacier Silber Metallic A83 Color and Body Aesthetics

The trim strip is finished in the Glacier Silber Metallic A83 color, used from the factory on many BMW 3 Series E90 models. This allows the element to maintain a uniform shade on the side of the body, which is particularly important when replacing individual components after a collision or corrosion. The metallic paint finish emphasizes the body line, and the aluminum base of the trim strip provides adequate rigidity and resistance to typical operational loads.

Material and Functional Characteristics

The aluminum construction of the trim strip combines low weight with good resistance to deformation, which is important both during installation and in daily use. The element performs the following functions:

• Protective – it limits direct contact of the door edge with minor mechanical damage,
• Aesthetic – it completes the side body line, masking edges and bodywork transitions,
• Mounting – it works with the factory mounting points in the left rear door.

By maintaining the original geometry, the trim strip integrates well with other side finishing elements, such as seals, windows, and other decorative trim strips.

Used Condition and Service Application

The element comes from disassembly, which means it is an original BMW part in used condition, intended for service and repair applications. Such components are particularly useful for:

• Local post-accident repairs,
• Completing missing finishing elements,
• Restoring the vehicle's factory appearance without the need for aftermarket replacements.

Choosing an original aluminum trim strip allows for visual consistency with other body elements and reduces the risk of fitting problems.

Part Selection by Numbers and Integration with Other Body Elements

The trim strip is assigned to a specific body configuration of the BMW 3 Series E90, so when selecting it, it is worth paying attention to compatibility with the body version and the side of installation (rear, left). The product has assigned catalog numbers and interchangeable numbers, which facilitates compatibility verification in BMW catalogs and service systems. This allows for precise matching of the element to a specific vehicle instance, minimizing the risk of incorrect installation.

If you also need other body finishing elements for this brand during body repairs, check the available parts in the Other BMW category.

Substantive Support and Knowledge of Body Parts

When planning the replacement of body elements, including door trim strips, it is worth understanding the specifics of used components and the differences between originals and aftermarket parts – this is discussed in more detail in the article on replacing body parts with used parts from disassembly, which provides practical tips on selecting and assessing the condition of BMW body parts.

For a comparison of the characteristics of sports powertrains and braking systems with solutions used in standard models, you can also read the material comparing the Audi RS series with other versions, which shows how premium manufacturers design components in terms of durability and dynamics.