BMW 3 Series E90 325d M57N2 Front Right O/S Spring Strut Leg Suspension

BMW 3 Series E90 325d M57N2 Front Right O/S Spring Strut Leg Suspension is a complete front suspension component that combines the functions of wheel guidance and vibration damping on the passenger side. Thanks to the factory BMW design and the preservation of original geometry, it ensures stable handling, predictable vehicle behavior, and proper interaction with other chassis components. This is a practical solution for post-collision repairs, replacing worn-out parts, or restoring factory driving characteristics.

Specifications and technical data

• SKU: 6786002
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786002
• Substitutable numbers: 31316786002, 6786002, 31216793924, 6793924, 34116769094, 6769094, 34116854999, 6854999, 31314036120, 4036120, 31306771178, 6771178, 31316767324, 6767324, 31216764444, 6764444, 34116764645, 6764645
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension

The presented strut and steering knuckle assembly is designed for the front, right side of the vehicle, which is crucial for maintaining the correct front axle geometry in the BMW 3 Series E90 325d with the M57N2 engine. Integrating these elements into a single module facilitates service, reduces installation time, and limits the risk of errors during suspension assembly.

The steering knuckle is responsible for precise wheel hub guidance and interaction with the steering and braking systems, while the shock absorber dampens vibrations resulting from road irregularities. Combining these functions into one assembly helps restore consistent, factory-standard suspension behavior after damage or wear of previous components.

Benefits of using an original BMW set

Using an original BMW solution in the Suspension Replacement Kits category ensures dimensional and structural compatibility with the vehicle's factory design. As a result:

• the correct front axle geometry is maintained,
• factory damping and handling characteristics are preserved,
• the risk of improper fitment with control arms and steering components is minimized,
• diagnostics and potential future repairs are facilitated.

This solution is particularly beneficial for post-accident repairs and when replacing multiple suspension components, where consistency of the entire chassis is a priority.

Vehicle placement and installation aspects

The element is designed for the front, right side of the vehicle, which is important for both part selection and subsequent wheel alignment. Proper placement on the vehicle affects:

• driving stability at higher speeds,
• even tire wear,
• proper operation of the ABS/ESP system (when maintaining correct sensors and hub),
• ride comfort over uneven surfaces.

Due to the complexity of the BMW E90 front suspension design, it is recommended to entrust the installation of such an assembly to a workshop with experience in servicing this generation of the 3 Series, in order to fully utilize the potential of the factory suspension design.

Condition and practical application

The product is offered as a used item, which allows for economical repair while maintaining the original BMW design. This is a good solution in situations where:

• a quick replacement of a damaged assembly after a collision is necessary,
• we want to restore factory driving characteristics after unsuccessful modifications,
• compatibility with factory mounting points and suspension geometry is important.

This allows for a rational compromise between repair cost and quality, especially in vehicles used intensively or prepared for further driving rather than for sale.

Compatibility, part numbers, and brand

The item comes from the BMW line and has a dedicated OEM part number as well as assigned interchangeable numbers, which facilitates verification of compatibility with a specific BMW E90 325d M57N2 configuration. Before purchasing, it is worth comparing the markings with the currently installed component or service documentation to ensure that the selected strut and steering knuckle set will work properly with the rest of the suspension.

Additionally, the product has its own warehouse identifier SKU, which facilitates order processing and potential future matching of subsequent elements from the same group.

Suspension upgrade expansion and knowledge about used parts

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 springs, control arms, or strut mounts, check the available parts in the BMW Suspension Replacement Kits category.

When choosing used suspension components, it is worth knowing good practices regarding the selection and installation of such parts. In the context of German automotive engineering and the use of second-hand parts, an article describing how to reasonably use used elements for tuning and repairs may be helpful – you can find it here: Audi on second-hand parts – tuning and repairs without losing quality. Although it concerns a different brand, the principles of selection and condition assessment discussed there are also valuable when servicing a BMW.