BMW 3 Series E91 318d M47N2 Front Left N/S Spring Strut Brake Suspension Leg Hub

Front left shock absorber, spring, steering knuckle, and hub assembly for BMW 3 Series E91 318d with M47N2 engine is a complete suspension system component designed for the front axle on the driver's side. The set combines a strut, guiding elements, and wheel mounting into a single structure, which facilitates maintenance and allows for efficient replacement of the entire sub-assembly. By maintaining factory suspension geometry, it ensures stable handling, predictable vehicle behavior, and proper operation of the braking system.

Specifications and technical data

• SKU: 6786013-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786013
• Substitutable numbers: 31316786013, 6786013, 31316772921 31316768215, 6768215, 6772921, 34116769091, 6769091, 31216793923, 6793923, 31216764443, 6764443, 31216765157, 6765157, 34116854998, 6854998, 34116764643 34116772669, 6772669, 6764643, 34116769095, 6769095
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the BMW E91 318d suspension

This suspension assembly has been designed specifically for the BMW 3 Series E91 318d model with the M47N2 unit, where it is responsible for guiding the front left wheel, damping road irregularities, and transferring loads from the body to the road. The integrated design of the strut, steering knuckle, and hub allows for maintaining the correct camber and caster angles, which translates into confident vehicle behavior during braking, cornering, and driving at higher speeds.

The vehicle placement defined as front – left side means that the component is mounted on the driver's side, working in conjunction with the steering and braking systems on this axle. It is a key component for maintaining proper geometry, even tire wear, and the correct operation of safety systems.

Application in the Suspension Replacement Kits category

The product belongs to the Suspension Replacement Kits group, which means it is a comprehensive sub-assembly prepared for installation in place of a worn or damaged part. In practice, this reduces the number of workshop operations – instead of disassembling the shock absorber, spring, steering knuckle, and hub separately, the mechanic replaces the whole unit as one assembly. This solution is particularly beneficial for post-accident repairs or when several components are significantly worn at the same time.

Because this is an original BMW vehicle component, the factory suspension performance characteristics are preserved, without the risk of mismatching spring stiffness or shock absorber travel, which can be an issue when mixing parts from different manufacturers.

Benefits of using an original used assembly

Choosing an original, used suspension assembly for the BMW E91 318d is a sensible solution for drivers who expect a good compromise between repair costs and maintaining driving performance. Such a component:

• maintains compliance with the vehicle's factory specifications,
• reduces the risk of geometry and vehicle handling issues,
• facilitates installation thanks to its complete construction,
• allows for restoring the correct operation of the suspension and braking system on the front left side.

For workshops, this means shorter repair times and a lower risk of additional installation errors, and for the user – consistent vehicle behavior in line with the manufacturer's design.

Professional selection and compatibility

The element has an assigned OEM part number and associated interchangeable numbers, which facilitates clear identification and selection for a specific version of the BMW 3 Series E91 318d. This allows for precise verification of compatibility with the car's configuration, avoiding the installation of mismatched variants. In case of doubt, it is worth comparing the markings with the vehicle documentation or consulting a mechanic to ensure that the selected suspension assembly will work properly with the other components of the running gear.

The placement defined as front – left side is also important from a safety perspective – incorrect selection of the mounting side can lead to damping asymmetry and unpredictable vehicle behavior, especially during emergency braking or obstacle avoidance.

Condition, installation, and practical service tips

The product is offered as a used suspension assembly, which in practice means it has been removed from a vehicle and verified for suitability for further use. Before installation, a standard service procedure is recommended: checking mounting points, inspecting hub play, and assessing the condition of cooperating suspension components on that side of the vehicle. After installation, it is worth performing a wheel alignment to fully utilize the potential of the newly installed sub-assembly.

If you are planning a comprehensive repair or upgrade of the front suspension area in your BMW and need other elements from the same group, such as shock absorber struts, springs, or steering knuckles, check the available parts in the BMW Suspension Replacement Kits category.

More about choosing original used components

When deciding between refurbishment and purchasing original used components, it is worth knowing the broader technical and economic context. In the case of mechanical elements, such as gearboxes or suspension sub-assemblies, it is often more beneficial to use a factory-used module instead of an expensive rebuild. You can find more about this approach to repairs in the article: Manual gearbox failures in cars – why is an original used part a more sensible choice than refurbishment?.