BMW 3 Series F30 F31 F80 M3 Door Brake Gasket Left Rear N/S

The BMW F30 F31 F80 M3 Rear Left Door Seal Rubber is an original body part from the Window Seals and Trim category, designed for the rear left door in select BMW 3 Series and M3 models. The carefully designed rubber profile ensures a tight seal against the body, providing effective protection for the interior against water, noise, and drafts. This is a practical solution for users who want to restore the original door functionality and maintain the cabin's acoustic comfort.

Specifications and technical data

• SKU: 7263989
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7263989
• Substitutable numbers: 51767263989, 7263989
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Intended Use and BMW Compatibility

This seal has been specifically developed for the rear left door construction in BMW F30, F31 body styles, and the sporty F80 M3 version. This means that the profile geometry, corner shapes, and the way the rubber runs are consistent with the manufacturer's original specifications. As a result, proper adhesion to the door frame and sill is maintained after installation, and the body line remains visually cohesive.

Its original BMW origin ensures precise fitment with the body, minimizing the risk of looseness, creaks, or leaks during vehicle operation in various road conditions.

Door Seal Construction and Function

The seal is made from flexible rubber with appropriately selected hardness, allowing it to sit correctly around the door perimeter and compensate for minor deformations resulting from body flex. The cross-section profile is designed to:

• limit the ingress of rainwater and dirt into the sill and cabin,
• reduce wind noise at higher speeds,
• stabilize door closing through appropriate rubber resistance,
• support thermal insulation in the door area.

This solution contributes to maintaining driving comfort and reduces the risk of corrosion in critical body areas where moisture accumulates.

Benefits of Using an Original BMW Seal

Using an original rear left door seal for BMW F Series vehicles restores factory-level sealing and acoustic performance. Compared to aftermarket alternatives, a part from the same design line as the body ensures:

• better fit to the door edge and pillar,
• lower risk of deformation after extended use,
• consistent appearance with other seals in the vehicle,
• stable performance under changes in temperature and humidity.

For users who care about the technical and visual condition of their car, this is a solution that helps maintain the vehicle in a configuration close to its original state, without compromising on fit.

Item Condition and Practical Application

The seal is a used part from a dismantled vehicle, meaning it has been previously used but is prepared for further service. Such elements are often chosen for accident repairs, replacement of worn or perished seals, and comprehensive body renovations. Installation in place of the original seal does not require modifications to the door structure, and a correctly fitted part contributes to improved daily driving comfort.

Related Categories and Technical Knowledge

If you are planning a comprehensive improvement of your BMW's body sealing and are also interested in other parts from the window and door opening seal category for this brand, check out the available parts in the BMW Window Seals and Trim category.

If you want to combine bodywork service with a more conscious approach to car operation and the use of recycled parts, it's worth familiarizing yourself with practical tips on eco-tuning – you can find them in the article Eco-Tuning in Practice: How to Increase Performance While Reducing Your Carbon Footprint with Recycled Parts.