BMW F10 F11 Sound Insulation Tunnel Rear Protection Shield 6989303

BMW F10 F11 Sound Insulation Tunnel Rear Protection Shield is an original soundproofing component designed for the rear section of the center tunnel in BMW 5 Series F10/F11 models. Designed by the manufacturer, this insulation helps reduce noise transmission from the chassis into the cabin, improving acoustic comfort and the perceived ride quality. It is a practical solution for users who want to maintain the vehicle's interior at factory-level soundproofing.

Specifications and technical data

• SKU: 6989303
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6989303
• Substitutable numbers: 51486989303, 6989303, 51489139206, 9139206
• Location on the vehicle: Rear
• Category: Other Interior Parts & Accessories

Purpose and function in the vehicle

The presented sound insulation is a component mounted in the rear part of the center tunnel, in the vehicle floor area. Its purpose is to reduce:

• road noise and suspension operation noise,
• sounds originating from the drivetrain and exhaust system,
• vibrations transmitted from the chassis to the passenger cabin.

As a result, the interior of the BMW F10/F11 maintains the level of refinement characteristic of the brand, and rear-seat passengers experience a more stable, quiet acoustic environment while driving.

Benefits of using original insulation

Using the original rear tunnel insulation in a BMW 5 Series provides a number of practical operational benefits:

• Precise fit – the component has been designed specifically for the tunnel construction in the F10/F11, which facilitates installation and ensures proper adhesion to the floor.
• Stable damping parameters – the factory material structure is selected to reduce specific noise frequencies typical for this model.
• Improved interior quality perception – reducing chassis noise makes the suspension and drivetrain operation feel smoother and more refined.
• Support for post-accident repairs or restoration – the component is useful for restoring the original soundproofing structure after tunnel disassembly or bodywork.

Installation characteristics

The rear tunnel insulation is intended for installation at factory mounting points in the floor of the BMW F10/F11. The design, matched to the shape of the tunnel, allows for:

• easy placement of the component without the need for modifications,
• maintaining the continuity of the factory soundproofing package,
• proper compatibility with other covers and floor upholstery.

Thanks to this, the insulation can be used both when replacing a worn-out part and when completing missing soundproofing after previous repairs.

Condition and practical application

The offered sound insulation comes from disassembly and is intended for users who want to restore or maintain proper soundproofing of the rear cabin area in their BMW 5 Series. It is a good solution for, among others:

• interior restoration after bodywork repairs,
• replacing missing soundproofing components,
• reducing excessive noise coming from the rear chassis area.

Properly selected insulation helps maintain the acoustic consistency of the entire cabin, which is particularly important in premium vehicles such as the BMW F10/F11.

Related categories and technical materials

If you are planning a comprehensive repair or upgrade of the center tunnel area in your BMW and need other components from the same group, such as additional soundproofing, floor covers, or tunnel trim elements, check the available parts in the Other BMW category.

If you are interested in comparing technical solutions used in different brands and segments, including sports models, it is worth reading an article describing the differences in engine, brake, and chassis construction – you can find them in the material Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of manufacturers' approaches to designing key vehicle systems.