BMW 3 Series E90 320si N45 M Sport Front Left N/S Spring Strut Brake Caliper

The BMW E90 325i N52 SPORT Strut and Knuckle Assembly Left is a complete front suspension component designed for the front axle on the driver's side of BMW 3 Series E90 325i models with the N52 SPORT engine. This solution allows for efficient replacement of a worn suspension assembly, ensuring driving characteristics are consistent with the factory SPORT configuration and maintaining proper front axle geometry. By using an original used part, you get a solid basis for restoring correct suspension operation without the cost of purchasing a new part.

Specifications and technical data

• SKU: 8036553-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8036553
• Substitutable numbers: 31318036553, 8036553, 31216793923, 6793923, 34116769091, 6769091, 34116854998, 6854998, 31216764443, 6764443, 34116764643, 6764643, 34116772669, 6772669
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and Function in the Suspension System

The presented strut and knuckle assembly is designed for the front left side of the vehicle, where it is responsible for wheel guidance, vibration damping, and maintaining body stability. Combining the shock absorber with the wheel carrier in a single module facilitates the maintenance of correct suspension geometry after installation and reduces the risk of errors when assembling individual components.

The SPORT version, dedicated to the BMW E90 325i N52, provides more dynamic suspension characteristics compared to the comfort configuration, resulting in more precise cornering and better body control at higher speeds. The use of a complete module is particularly beneficial for repairs after a collision or significant wear of the front axle components.

Benefits of Using a Complete Assembly

Choosing a complete strut and knuckle assembly from the Suspension Replacement Kits category helps reduce repair time and the number of potential mismatch points. The mechanic receives a ready-to-install module that, once correctly attached to the body and control arms, allows for quick restoration of full suspension functionality.

• Consistent operating characteristics of components responsible for wheel guidance.
• Easier geometry alignment after replacement due to maintaining factory configuration.
• Reduced number of disassembly and assembly operations compared to replacing individual components.
• A particularly practical solution for repairs after mechanical damage to the front suspension.

Brand, Origin, and Fitment

The component comes from the BMW line, which means maintaining factory manufacturing standards and full compatibility with the body structure and chassis of the 3 Series E90 325i N52 SPORT. Using an original used part allows for adherence to the manufacturer's original specifications regarding stiffness, mounting points, and interaction with other suspension and braking system components.

The product is offered as used, which means that prior to installation, a standard operational status verification by a qualified service center is recommended – particularly regarding seals, play, and any signs of previous repairs. This approach allows for full utilization of the potential of used parts while maintaining a high level of operational safety.

Professional Installation and Operation

Due to the importance of the front suspension for driving safety, the installation of the strut and knuckle assembly should be performed by an experienced workshop equipped with the appropriate tools for working with spring elements and the chassis. After installation, it is recommended to perform a wheel alignment on a professional setup to fully utilize the driving characteristics of the SPORT version.

To maximize the service life of the used suspension component, regular underbody inspections and checks of tire condition and other chassis components are advisable. Practical tips for maintenance and use of used parts can be found in the article How to Extend the Lifespan of Used Car Parts?, which discusses, among other things, best practices for suspension maintenance.

Expanding Suspension Repairs in BMW

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 additional shock absorbers, springs, or complete suspension strut modules, check the available parts in the BMW Suspension Replacement Kits category.