BMW G11 Window Frame Door Rear Left N/S Cover Foam Insulation 7383831

The BMW G11 rear left door window frame foam insulation is an original body part from the Doors and door panels group, designed for installation on the rear left side. This BMW-designed insulation ensures a precise fit to the door frame, improving cabin acoustic comfort and the stability of trim and panel mounting.

Specifications and technical data

• SKU: 7383831
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7383831
• Substitutable numbers: 7383831, 51717383831
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and Function of the Part

The presented foam insulation is dedicated to the BMW G11 rear left door area, where it serves a sealing and damping role around the window frame. It is responsible for limiting the ingress of external noise, reducing door structure vibrations, and stabilizing adjacent covers and panels.

Thanks to its factory profile and appropriately selected material density, the part works with the door frame structure, supporting the correct operation of the window and maintaining sealing in the area of contact with the body.

Construction and Fit for BMW G11

The insulation is made of molded technical foam with optimized elasticity, allowing for a precise fit to the door frame without excessive stress on the sheet metal. The shape has been developed for the specific geometry of the BMW G11 door, which translates to:

• secure seating in the designated mounting points,
• no need for material adjustment or cutting,
• stable interaction with internal door panels.

This solution facilitates the work of a bodyworker or mechanic, reducing installation time and minimizing the risk of incorrect insulation placement.

Part Condition and Service Application

The offered insulation is a used part, sourced from dismantling, which allows for maintaining original BMW specifications while optimizing repair costs. This is a practical solution for replacing damaged doors, reconstructing a window frame after a collision, or eliminating unwanted cabin noise and resonance.

Choosing an original part from dismantling is particularly beneficial for precise body components where shape, elasticity, and mounting method conformity with the factory design are crucial.

Benefits of Using Original BMW Insulation

Using this insulation in the rear left door of a BMW G11 provides a range of tangible operational benefits:

• Improved interior soundproofing – reduction of aerodynamic noise and noise from the door area.
• More stable mounting of internal door trims – less risk of rattles and creaks while driving.
• Consistency with factory construction – no interference with the original geometry of the door and window frame.
• Reasonable repair cost – especially for comprehensive bodywork and painting jobs.

BMW Doors and Door Panels – Expansion and Modernization

If you are planning a comprehensive repair or modernization of the door area in your BMW and need other parts from the same group, such as skins, reinforcements, or additional covers, check the available parts in the BMW Doors and door panels category.

How to Consciously Choose a Used Part

When selecting body parts from dismantling, it is worth considering not only the price but also structural conformity and expected durability. For window frame insulation, maintaining the correct shape, foam elasticity, and proper adhesion to the door structure are key.

If you want to better understand when it is worthwhile to opt for a used part and when to consider refurbishment, the article Refurbished or Used Original – Which Part to Choose for Repair? will be helpful.