BMW 3 Series F31 LCI Channel Sealing Outside Door Rear Left N/S Chrome 7496143

BMW F31 Rear Left Door Seal Trim Chrome is a precise body part from the Door Seals category, designed for the rear left side of the vehicle. The chrome finish provides an elegant look, and the original BMW construction ensures a perfect fit to the body line and door glass.

Specifications and technical data

• SKU: 7496143
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7496143
• Substitutable numbers: 51357496143, 7496143, 51357258331, 7258331, 51354529643, 4529643
• Location on the vehicle: Rear, Left
• Color: Chrome
• Category: Door Seals

Purpose and Function of the Part

The rear left door seal trim for the BMW F31 is responsible for creating a watertight seal between the door edge and the car body, as well as providing an aesthetic finish to the upper part of the frame. This part is mounted on the rear left door, in the area where it meets the glass and body, where it is exposed to varying weather conditions.

A properly fitted seal helps to reduce:

• ingress of water and moisture into the door interior,
• wind noise at higher speeds,
• vibrations and unwanted noises from the door frame area.

Appearance and Color Scheme

The trim features a chrome finish that harmonizes with the factory body details of the BMW F31. The chrome accentuates the car's side profile, enhances visual consistency with other decorative elements, and gives the overall appearance a more cohesive and refined character.

Choosing the correct color is crucial when replacing a single trim piece – a chrome-finished seal helps maintain a uniform look across the entire side of the vehicle, without differences in shade or texture.

Technical Characteristics and Installation

This part has been specifically designed for the BMW F31 body, taking into account the geometry of the rear left door. This ensures:

• correct adherence to the door edge,
• appropriate rigidity of the trim along its entire length,
• compatibility with factory mounting points.

Location on the vehicle: Rear – Left Side makes it easy to identify the correct part when selecting replacements after a collision or due to wear and tear. The design is intended for installation in place of the original trim, without the need for body modifications.

Condition and Service Application

The Rear Left Door Seal Trim Chrome is offered as a used part, allowing for economical repairs while maintaining original BMW specifications. This is a practical solution in cases of:

• mechanical damage to the trim (scratches, cracks, deformation),
• seal wear due to usage and exposure to weather conditions,
• the need to restore the factory appearance after body and paint repairs.

Using an original seal with a chrome trim helps maintain proper door fitment, reduce the risk of leaks, and preserve the aesthetics in line with the manufacturer's design.

Selecting Other BMW Door Seals

If you also need other BMW door seals for your car, check out the BMW door seals available in our store to complete a full set of body parts with a consistent specification.

For drivers interested in a wider range of car modifications and upgrades, practical advice on selecting and installing used parts may also be useful – you can find it in the article Used Mini John Cooper Works Pro Sport Exhaust – A Legal Way to Get a Race-Car Sound and +7 HP, which discusses key aspects of compatibility and installation of aftermarket components.