BMW 1 3 Series E81 E87 E90 E91 Sound Insulation Tunnel Rear 7059353

BMW 1 3 Series E81 E87 E90 E91 Sound Insulation Tunnel Rear is an original BMW component designed for the rear section of the center tunnel. It effectively reduces noise penetration from the chassis into the cabin, improving acoustic comfort and the overall driving experience.

Specifications and technical data

• SKU: 7059353
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7059353
• Substitutable numbers: 51487059353, 7059353, EM
• Location on the vehicle: Rear
• Category: Other Interior Parts & Accessories

Purpose and function of the component

The presented tunnel insulation has been designed specifically for the 1 Series E87 and 3 Series E90 models, with the rear part of the vehicle in mind. The component is responsible for acoustic insulation of the tunnel, reducing road noise, drivetrain operation sounds, and vibrations transmitted from the floor.

Its placement in the rear zone of the cabin ensures that the insulation improves the perceived comfort of passengers in the back seat, enhancing the overall refinement of the car during city and highway driving.

Benefits of using tunnel insulation

The use of original tunnel sound insulation in the BMW E87/E90 translates into a number of practical advantages:

• reduction of noise coming from the rear part of the chassis,
• reduction of resonance and unwanted vibrations within the tunnel area,
• more stable operating conditions for components running through the tunnel (e.g., cables, wiring harnesses),
• maintaining the factory standard of interior soundproofing for BMW.

Thanks to this, the acoustic comfort of the cabin remains close to the factory level, which is particularly important for longer trips and in cars used on a daily basis.

Technical characteristics and fitment

The tunnel insulation is a structural element matched to the floor geometry in the rear section of the BMW E87 and E90. The shape and mounting method are consistent with factory mounting points, which facilitates service and reduces the risk of improper installation.

As a part from the BMW group, the insulation maintains appropriate rigidity, flexibility, and resistance to typical operating conditions in the rear zone of the vehicle, including temperature changes and contact with dust and minor contaminants.

Product condition and service application

The item is in used condition, making it a reasonable choice for post-accident repairs, interior reconstruction, or restoring the factory level of soundproofing in older BMW E87/E90 units. Replacing worn or damaged insulation with an original component allows for maintaining the structural and acoustic integrity of the vehicle.

The product is suitable both for workshops specializing in the BMW brand and for users independently sourcing parts for interior renovation who expect factory fitment without the need for modifications.

Knowledge expansion and part selection

If you are planning a comprehensive repair or upgrade of the drivetrain zone in your Audi and need other elements from the same group, such as engine components, braking system parts, or chassis elements, it is worth checking out the guide material Audi RS vs other models – what is hidden under the hood and chassis?, which discusses structural differences and helps to better understand the car's construction from a technical perspective.

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

Additionally, for broader service work on cars of this brand, the material describing typical failures of BMW power units may be helpful, available at the link BMW N47 timing chain – typical failure and repair using original BMW parts, which shows when it is worth reaching for used OEM components.