BMW F45 Sound Insulation Insulating Mat Door Rear Left N/S 7297259

BMW F45 Sound Deadening Rear Left Door Mat 7297259 is an original part from the Doors and Door Panels group, designed for installation in the rear left door of BMW F45 series vehicles. This carefully designed sound deadening mat improves the acoustic comfort of the cabin, reduces the penetration of external noise, and stabilizes the door panel operation. It is a practical solution for users who want to restore factory soundproofing parameters or replace a missing component after body repairs.

Specifications and technical data

• SKU: 7390077
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7390077
• Substitutable numbers: 7297259, 51487297259, 7390077, 51487390077
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Intended Use and Vehicle Placement

The presented sound deadening mat is dedicated for installation in the rear left door area of BMW F45 family vehicles. Its placement in the vehicle is factory-defined as rear – left side, ensuring proper fit with the door structure, mounting holes, and panel contours. This allows the part to be installed in place of the original mat without the need for modifications or shape adjustments.

Acoustic Function and Door Protection

The sound deadening mat performs several key technical functions within the door:

• reduction of road noise and air turbulence entering through the door structure,
• limitation of door panel resonances, which improves the subjective feeling of stiffness and solidity when closing,
• stabilization of the inner door layers, promoting proper operation of window and lock mechanisms,
• support for maintaining factory acoustic comfort inside the BMW.

By using an original mat from the Doors and Door Panels group, it is possible to restore soundproofing parameters close to factory condition, which is important for both daily use and after accident repairs.

Original Origin and BMW Compatibility

The part was designed by the vehicle manufacturer for a specific BMW model, ensuring high dimensional and structural compatibility. Original origin means:

• fit to factory mounting points in the rear left door,
• retention of appropriate thickness and structure of the sound deadening material,
• compatibility with other door components, such as upholstery, wiring harnesses, or window guides.

The product has an assigned OEM part number and related interchangeable numbers, which facilitates verification of compatibility with a specific BMW vehicle configuration. If in doubt, it is advisable to compare the markings with the service documentation or the existing part in the car.

Characteristics of the Used Part

The sound deadening mat is offered as a used part, which means it comes from a dismantled vehicle and has been previously used. Such components are often chosen for door repairs as they allow for maintaining the original BMW specification while optimizing costs. For sound deadening mats, maintaining shape integrity and the ability to be reinstalled in factory mounting points are crucial.

Application in BMW Door Repairs

BMW F45 Sound Deadening Rear Left Door Mat 7297259 is particularly suitable for situations where the door panel has been replaced, body repairs have been carried out, or the factory mat has been damaged or removed. Using an original part allows for:

• restoring proper cabin soundproofing after body repairs,
• minimizing the risk of rattles and unwanted noises from the door area,
• maintaining the structural integrity of the door according to BMW engineers' design.

If you are planning comprehensive repairs or upgrades to the door area of your BMW and need other parts from the same group, such as panels, reinforcements, or inner liners, check the available parts in the BMW Doors and Door Panels category.

Additional Technical Support

When planning more extensive service work or vehicle upgrades, it is also worth considering potential costs related to other components. For users interested in the operation and common faults of BMW powertrains, a practical guide has been prepared – more information can be found in the article BMW E90 Faulty Engines: Check What Can Ruin Your Budget, which helps to better plan long-term vehicle maintenance.