BMW 3 Series E90 E91 E92 E93 325d M57N2 Front Silencer Gearbox Support 7801552

BMW E90 E91 E92 E93 325d M57N2 Gearbox Damper is an original powertrain component designed for installation in the front of the vehicle. Designed by BMW, it ensures proper damping of vibrations and noise transmitted from the gearbox to the body, resulting in stable, comfortable operation of the powertrain. This is a practical solution for users who want to restore the factory-level gearbox operation in their 3 Series models with the M57N2 engine.

Specifications and technical data

• SKU: 7801552
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7801552
• Substitutable numbers: 18207801552, 7801552
• Location on the vehicle: Front
• Category: Other Transmission & Drivetrain

Purpose and Function in the Powertrain

The gearbox damper in BMW 3 Series models with the M57N2 unit is responsible for reducing torsional vibrations and oscillations generated by the gearbox. Located in the front of the vehicle, it stabilizes the connection between the gearbox and other powertrain components, which limits the transmission of unwanted noise into the cabin.

Thanks to the use of original BMW design, this component works with factory mounting points and system geometry, allowing for the correct alignment of the powertrain relative to the body and suspension.

Benefits of Using an Original Gearbox Damper

Using a dedicated gearbox damper in BMW E90, E91, E92, and E93 325d M57N2 provides a range of practical operational benefits:

• reduction of vibrations and knocks felt in the cabin during acceleration and load changes,
• more stable powertrain behavior under higher torque loads,
• better isolation of the gearbox from the body structure,
• maintenance of operating characteristics in line with manufacturer's specifications.

Choosing an original BMW OE part helps maintain the vehicle's structural integrity and minimizes the risk of fitment issues or incorrect powertrain operation.

Vehicle Placement and Installation Aspects

The damper is intended for installation in the front area of the vehicle, in close proximity to the gearbox. This placement allows for effective capture of vibrations at their source, before they are transmitted to other structural elements.

Thanks to its factory design for specific versions of BMW 3 Series with the M57N2 engine, the component works with original brackets and system geometry, which facilitates installation by a specialized service or workshop dealing with this brand's vehicles.

Product Characteristics and Practical Application

The presented gearbox damper is part of the Other category, but its role in the powertrain is clearly defined – to provide adequate vibration damping and improve driving comfort. It performs well in both standard operation and in vehicles used more intensively, where powertrain loads are higher.

A component of this type is particularly useful in situations where additional vibrations, metallic noises in the center tunnel area, or noticeable jerks during gear changes occur, and other powertrain components are functional.

Compatibility with Other BMW Parts and Additional Content

If you are planning a comprehensive repair or upgrade of the powertrain area in your BMW and need other parts from the same group, such as brackets, mounts, or additional vibration dampers, check the available parts in the BMW Other category.

For users interested in comparing the characteristics of sports powertrains with solutions used in standard versions, an article discussing the differences in engine, brake, and chassis construction may be helpful – details can be found in the material Audi RS vs. Other Models – What's Under the Hood and Chassis?.

If you are considering the choice between new parts, aftermarket parts, and used components and want to better assess the cost-effectiveness of a purchase in terms of quality and OEM number compatibility, it is worth reading the guide Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective?.