BMW 3 E91 Touring 318d N47 Front Left N/S Spring Strut Brake Suspension Leg Hub

BMW 3 E91 Touring 318d N47 Front Left N/S Spring Strut Brake Suspension Leg Hub is a complete front suspension component designed for wheel alignment and steering on the driver's side of the BMW 3 Series E91 with the N47 engine. The set combines vibration damping functions with precise mounting for the hub and braking system, allowing for an efficient, technically correct replacement of a damaged suspension module. By maintaining factory geometry, it provides a solid foundation for restoring stability and predictable vehicle handling.

Specifications and technical data

• SKU: 6786013-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786013
• Substitutable numbers: 31316786013, 6786013, 34116778145, 6778145, 31216793923, 6793923, 31316772921, 6772921, 31316768215, 6768215, 31216764443, 6764443, 34116792219, 6792219, 34116774875, 6774875
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension

The presented item belongs to the Suspension replacement kits group and is intended for installation on the front, left side of the vehicle. The combination of the shock absorber and steering knuckle creates a rigid, load-bearing module that:

• is responsible for damping vibrations and stabilizing the bodywork when driving over uneven surfaces,
• ensures proper wheel guidance during cornering and braking,
• maintains the correct position of the hub, brake disc, and caliper relative to the wheel arch,
• influences wheel geometry, and thus tire wear and steering precision.

For the 143 HP N47 unit, a correctly selected suspension module is essential for maintaining predictable vehicle behavior during daily use and dynamic driving.

Benefits of using a complete module

Using a complete shock absorber–steering knuckle set on the front left side reduces the time and complexity of the repair. The mechanic does not need to separately disassemble and transfer the steering knuckle body, which reduces the risk of assembly errors and speeds up the service process. This solution is particularly beneficial in cases of:

• damage after a collision or hitting an obstacle,
• excessive wear of the damping element,
• the need for geometry correction after replacing other suspension components.

A properly selected module helps restore driving stability, reduce steering wheel vibrations, and improve driving comfort without the need for deep interference with other sub-assemblies.

Product characteristics and fitment

The item is intended for BMW vehicles and has been designed to work with the factory suspension system and brakes used in the 318d N47 143HP version. The steering knuckle design allows for the correct mounting of:

• the wheel hub and bearing,
• the brake disc and caliper,
• the wishbone, tie rod, and other steering components.

Thanks to the preservation of original mounting geometry, it is possible to achieve factory toe and camber values, which translates into even tire wear and predictable vehicle reactions to steering inputs.

Condition, origin, and assembly aspects

The offered item comes from dismantling and is classified as used, which allows for combining reasonable repair costs with maintaining characteristics close to factory standards. This type of solution is often chosen for post-accident repairs when the priority is to restore full suspension functionality within a controlled budget.

The module is intended for installation on the front, left side, which facilitates part selection when comparing with the existing component in the vehicle. After installation, it is recommended to perform a wheel alignment to fully utilize the set's potential and ensure stable handling.

Suspension system expansion and additional information

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 struts, springs, or steering knuckles, check the available parts in the BMW suspension replacement kits category.

When deciding to use dismantled parts for repairs or modifications, it is worth knowing practical tips regarding the selection and assessment of such components – this is discussed in more detail in the article Audi on second-hand parts – tuning and repairs without losing quality, which shows how to effectively use used components in premium class cars.