Trim Window Guide BMW F31 LCI Rear Left N/S Web Cover Exterior Black 7258337

The BMW F31 Rear Left Window Trim Strip is a precisely fitted body part designed for the rear left window of the 3 Series Touring. This discreet black trim strip provides an aesthetic finish to the window edges, ensuring a cohesive look for the side body line and proper seal guidance. Thanks to its original mounting geometry, it is a functional solution for post-accident repairs, window replacement, or body restoration.

Specifications and technical data

• SKU: 7258337
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7258337
• Substitutable numbers: 7258337, 51357258337, EM
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Other Exterior Parts & Accessories

Purpose and Function of the Part

The rear left window trim strip for the BMW F31 is responsible for the aesthetic and technical finishing of the area around the tailgate window on the driver's side. The part is mounted at the rear of the body, on the left side, allowing for:

• completion of the factory side line of the Touring body,
• stable guidance of the window seals,
• limitation of dirt ingress into the mounting gaps,
• achieving a cohesive, factory look of the vehicle's side.

The black color of the trim strip integrates well with other body trim elements, making it easy to match with cars featuring both dark and lighter styling packages.

Construction, Color, and Fitment

The trim strip has been specifically designed for the BMW F31 body, ensuring its shape and mounting points are adapted to the factory mounting holes in the rear left part of the vehicle. This construction facilitates:

• secure seating of the part without the need for modifications,
• maintaining the correct geometry of the window edge,
• easier installation during body and paint repairs.

The black surface of the trim strip creates a neutral, technical finish that complements factory seals and other rear body trim pieces. This solution is particularly useful when replacing a single part after mechanical damage or corrosion of adjacent parts.

Application in BMW F31 Repairs and Restorations

The rear left window trim strip is suitable for various service scenarios, especially when:

• elements around the rear window on the driver's side need replacement after a collision,
• the original trim strip was damaged during tailgate window replacement,
• a visual restoration of the Touring's side body is underway,
• there is a need to restore the factory look after previous, non-factory modifications.

By maintaining its original shape and placement on the vehicle, the part allows for a cohesive restoration of the factory appearance of the rear left body section, which is important for both aesthetic and functional reasons.

Characteristics of the Used Part

The offered window trim strip comes from a used vehicle, making it an attractive solution for budget-conscious repairs where maintaining correct function and fitment at a reasonable cost is a priority. For body parts like window trim strips, using salvaged parts allows for:

• maintaining the original geometry and mounting method,
• easier visual matching with other components,
• cost reduction compared to new parts.

Expanding BMW Body Configuration

If you are planning a comprehensive repair or upgrade of the body area on your BMW and need other parts from the same group, such as covers, trim strips, or additional mounting profiles, check the available parts in the Other BMW category.

Technical Knowledge and Part Selection

When planning more extensive work on your car – especially if it also involves the powertrain or performance modifications – it is worth expanding your knowledge about the structural differences between standard and sport versions. An article discussing the specifics of powertrains, brakes, and chassis in sport variants, available here, can be helpful: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?. This will help you better plan the scope of modifications and select appropriate components in the future.