BMW 3 E90 E91 E92 M57N2 Engine Mount Right O/S Diesel 325d 330d 335d 6773248

BMW E90 E91 Right Engine Mount M57N2 is a component from the engine mounts category, designed for BMW diesel engines from the M57N2 series. It is responsible for stable support of the powertrain, reducing vibrations transmitted to the body, and improving the refinement of the diesel engine's operation, which translates into a more comfortable and predictable ride.

Specifications and technical data

• SKU: 6773248
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6773248
• Substitutable numbers: 22116773248, 6773248, 22114038372, 4038372
• Location on the vehicle: Right
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and Function of the Engine Mount

The right-side engine mount in the BMW E90/E91 with the M57N2 unit operates under demanding conditions – it bears the load from the massive diesel engine and reacts to torque changes. Its tasks include:

• damping vibrations generated by the diesel engine,
• maintaining the correct geometry of the powertrain relative to the body,
• reducing noise and vibrations felt in the cabin,
• protecting other powertrain components from excessive stress.

A properly selected BMW engine mount helps maintain drive stability, which is important for both comfort and the durability of other components.

Construction and Fitment for BMW E90/E91 M57N2

The presented mount is structurally adapted for installation on the right side of the engine bay in BMW 3 Series E90/E91 models with the M57N2 diesel engine. The appropriate shaping of the housing and mounting points allows for correct seating of the component in the factory locations, without the need for modifications.

The original geometry of the mounts ensures:

• proper transfer of vertical and transverse loads,
• compatibility with factory brackets on the engine and subframe,
• stable support of the powertrain during acceleration, engine braking, and gear changes.

This allows the mount to work in conjunction with other engine suspension system components, maintaining the parameters specified by the manufacturer.

Benefits of Using the Correct Engine Mount

Using the correct engine mount in a BMW diesel vehicle brings tangible operational benefits. Replacing a worn-out component with a functional one allows for:

• reducing vibrations in the steering wheel, gear shifter, and interior elements,
• decreasing noise transmitted to the cabin at low and medium RPMs,
• reducing the risk of damage to hoses, pipes, and accessory components exposed to excessive engine movement,
• improving the perceived smoothness of the drive, especially in high-torque diesel engines.

For drivers seeking more refined operation from the M57N2 unit, a functional right engine mount is one of the key system components.

Product Characteristics and Application in Diesel Engines

The mount has been designed with the specific characteristics of diesel engines in mind, which generate a different vibration spectrum than gasoline engines. Appropriately selected damping parameters help maintain a balance between mounting stiffness and driving comfort.

This component is intended for installation on the right side of the vehicle, which is important for part selection – the left and right mounts may differ in construction. Correct fitment for a specific BMW E90/E91 diesel configuration avoids installation problems and ensures proper system operation.

Condition, Verification, and Practical Application

The engine mount is a used, used original BMW part. Such a part, when in good technical condition, offers a reasonable compromise between cost and functionality, especially for demanding diesel units.

Before installation, it is recommended to:

• verify compatibility with the specific engine and body version,
• assess the condition of other engine mounting points,
• replace the mounts in pairs if the condition of the other side is questionable.

This approach helps restore cohesive operation of the entire powertrain mounting system.

If you are looking for other BMW engine mounts for your car, check out the BMW engine mounts available in our store to select a complete powertrain mounting solution.

You can find more information on the impact of the proper condition of engine accessories and cooperating systems on powertrain durability in the article Engine Cooling System – Overheating, Repair, and Used Radiators, which helps to take a holistic view of engine operation.