BMW 3 E91 325i N52 M Sport Front Left N/S Spring Strut Brake Suspension Leg Hub

BMW E91 325i N52 Left Front Strut and Knuckle Assembly is a complete front suspension component designed for the driver's side front axle in BMW E91 models with an N52 engine. The assembly combines wheel guidance and vibration damping functions, ensuring stable handling, predictable vehicle behavior, and safe braking. Thanks to the use of original BMW construction, this suspension element allows for precise and repeatable performance of the drivetrain.

Specifications and technical data

• SKU: 6786015-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786015
• Substitutable numbers: 31316786015, 6786015, 34116769091, 6769091, 31216793923, 6793923, 34116854998, 6854998, 31316768223, 6768223, 31316772923, 6772923, 6768215, 31216764443, 6764443, 34116764643, 6764643, 34116772669, 6772669
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and Function in Suspension

The presented component combines a shock absorber and a left-side knuckle on the front axle in a single construction. It is responsible for:

• guiding the wheel relative to the body in the vertical and horizontal axes,
• damping vibrations generated when driving over uneven surfaces,
• maintaining correct suspension geometry within the strut's range of operation,
• vehicle stability during braking and cornering.

Thanks to this, the steering and braking systems can operate under predictable conditions, which translates to better car control and increased driving comfort.

Compatibility and Reference Numbers

The original nature of the BMW part ensures a secure fit to factory mounting points on the body and compatibility with standard suspension and brake components. The product has a dedicated OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific version of the BMW E91 325i N52.

The presence of multiple reference numbers allows for precise component matching to the vehicle's configuration, without the need for modifications to mounting points or interference with suspension geometry. This solution is particularly beneficial for professional repairs and for restoring the car to its factory specification.

Vehicle Placement and Installation Aspects

The component is designed for the front, left side of the vehicle, which is crucial when selecting parts for cars with independent front suspension. Correct placement ensures:

• compatibility with factory mounting points in the wheel arch,
• proper alignment of the hub and wheel mounting surface,
• correct interaction with control arms, stabilizer links, and the steering system.

During installation, it is recommended to check the front suspension geometry to fully utilize the potential of the newly installed component and achieve even tire wear and stable handling.

Application in Suspension Replacement Kits

The product belongs to the Suspension Replacement Kits category, making it a suitable choice for comprehensive drivetrain service. Replacing the left-side shock absorber and knuckle is often combined with:

• replacing the right-side component to maintain suspension symmetry,
• checking the condition of springs, upper mounts, and strut bearings,
• inspecting control arm bushings and stabilizer links.

This approach helps reduce subsequent service downtime and ensures consistent vehicle behavior across the full range of loads.

Part Condition and Benefits of Choosing a Used Component

The offered component comes from the used parts group, which represents a reasonable compromise between repair cost and maintaining original BMW construction. In practice, this means the possibility of restoring full suspension functionality at a lower financial outlay than purchasing a brand-new assembly.

Choosing an original used component is particularly attractive for users who want to maintain the characteristic handling of the BMW E91 325i N52 while controlling their suspension service budget.

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

If you are considering a broader use of second-hand components – for both repairs and car modifications – it is worth familiarizing yourself with practical tips on selecting and operating such components, described in the article Audi on second-hand parts – tuning and repairs without quality loss.