BMW X5 Series E70 Cover Sound Insulating Door Rear Left N/S 7355615 7141041

BMW X5 Series E70 Cover Sound Insulating Door Rear Left N/S is a dedicated component from the Doors and door panels group, designed specifically for the rear left body zone. It is responsible for stable acoustic and thermal insulation of the door, as well as protecting internal mechanisms from moisture and contaminants, which translates into smoother operation of the lock and electrical components.

Specifications and technical data

• SKU: 7355615
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7355615
• Substitutable numbers: 51487355615, 7355615, 51487185677, 7185677, 7141041, EM
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The presented sound insulating cover is intended for installation in the rear left part of the BMW E70 series body, within the door area. Its precisely matched shape allows for proper adhesion to the door skin and structure, which facilitates installation and reduces the risk of unwanted vibrations or leaks.

Thanks to the clearly defined vehicle placement, the risk of error when selecting the part is minimized, and the replacement process itself is more efficient – especially for service centers specializing in the BMW brand.

Protective and insulating function

The BMW X5 Series E70 Cover Sound Insulating Door Rear Left N/S performs several key structural functions:

• creates a barrier between the interior of the door and the passenger cabin,
• reduces noise penetration from the outside, improving acoustic comfort,
• protects electrical harnesses, locks, and guides from moisture and dust,
• supports the maintenance of stable operation of mechanisms over a long period of use.

Such a solution is particularly important in vehicles used daily, where repetitive opening and closing of the door exposes internal elements to variable environmental conditions.

Original origin and interchangeable numbers

The cover belongs to the group of OEM BMW components, which means it was designed in accordance with the manufacturer's factory design specifications. The product has a dedicated part number and associated interchangeable numbers, which facilitates unambiguous identification in service catalogs and parts selection systems.

The presence of the OEM part number and related references allows for verifying compatibility with a specific vehicle configuration, as well as comparing the element with other variants used within the same body generation.

Characteristics of the used component

The offered BMW X5 Series E70 Cover Sound Insulating Door Rear Left N/S comes from the secondary market, which means it is a used component. Such components are often chosen for post-accident repairs, door reconstruction after bodywork, or when replacing damaged covers after upholstery removal.

In practice, this allows for maintaining the structural integrity of the door while reducing costs, while preserving the original geometry and compatibility with factory mounts. A used OEM component is often the preferred solution in situations where matching a specific equipment version and model year is required.

Application in door and door panel repairs

The insulating cover is an important addition to work within the Doors and door panels category, especially when performing:

• replacement of door skin or structure after mechanical damage,
• repairs of locks, window regulators, or electrical installations,
• work related to improving cabin soundproofing.

A properly selected cover allows for restoring the factory layer arrangement in the door, which is significant both for user comfort and for the long-term protection of working elements.

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

Support in choosing a used part

In the case of secondary market components, many users have additional questions regarding durability and the validity of installation. To better understand the specifics of such solutions and verify popular opinions, it is worth reading our guide: Used car parts: Myths and facts you need to know. This will allow you to consciously assess the benefits of using an original, used insulating cover in your BMW.