BMW G11 G12 G20 G30 G14 Engine Mount Suspension Left N/S Support Diesel 6878247

BMW G11 G12 G20 G30 G14 Engine Mount Suspension Left N/S Support Diesel designed for the G11, G12, G20, G30, and G14 series is a component responsible for providing stable support for the powertrain on the driver's side. This engine mount works with the powertrain suspension system, reducing vibrations and improving the refinement of the diesel engine, which translates into higher driving comfort and reduced stress on other drivetrain components.

Specifications and technical data

• SKU: 6878247
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6878247
• Substitutable numbers: 6878247, 22116878247
• Location on the vehicle: Left
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and function in the vehicle

The presented item is a left engine suspension support designed for BMW G-series models with a diesel engine. Its task is to transfer loads from the powertrain to the chassis and dampen vibrations generated by the engine's operation. Thanks to its specifically tuned operating characteristics, the mount helps maintain the correct position of the powertrain relative to the chassis, which is important for drivetrain geometry, half-shaft operation, the driveshaft, and acoustic comfort in the cabin.

The placement on the left side of the vehicle requires precise fitting to the specific subframe and engine block construction, which is why using the correct support is crucial for maintaining the proper operation of the entire system.

Benefits of using an original BMW engine mount

Using an original BMW engine mount support ensures:

• proper fitment with factory mounting points on the chassis and engine,
• stable support for the powertrain under typical operating loads,
• reduction of vibration and harshness transmission into the vehicle interior,
• reduced risk of excessive engine movement during rapid acceleration and engine braking.

For diesel engines, which generate higher torque and characteristic vibrations, a functional engine suspension component is of particular importance for the durability of other drivetrain components and the vehicle's overall comfort.

Application in BMW G-series models

The support has been designed to work with the chassis architecture used in the BMW 7 Series (G11, G12), 3 Series (G20), 5 Series (G30), and related body versions such as the G14. This means it is matched to the characteristic subframe layout, mounting point placement, and the geometry of the diesel units used in these generations.

Proper selection of the left engine mount support is particularly important when replacing parts after a collision, performing drivetrain repairs, or eliminating excessive vibrations felt in the cabin. Using a dedicated component for a given G-platform allows for the preservation of factory suspension performance for the powertrain.

Characteristics of the used component

The offered support comes from dismantling and is classified as a used part, which allows for economical repair while maintaining the original BMW construction. Such components, when properly used and installed, can still provide stable engine support and proper vibration damping, making them a reasonable choice for post-accident or service repairs.

To maximize the potential of dismantled parts and extend their durability, it is worth following the recommendations regarding installation, checking the condition of the mounts, and periodic inspection of the engine suspension system.

Operation and good service practices

When replacing the left engine mount support, it is recommended to:

• check the condition of the remaining engine and transmission mounts,
• verify the rigidity of the subframe and mounting points,
• use the correct tightening torques in accordance with service documentation,
• verify any leaks or damage in the vicinity of the mounts.

For users interested in longer and trouble-free operation of dismantled parts, including engine suspension components, practical tips regarding maintenance and periodic inspection will be useful – you can find them in the article How to extend the life of used car parts?.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional supports, mounts, or other cushions, check the available parts in the BMW Engine Mounts category.