BMW E90 320i N43 Rear Left N/S Axle Suspension Leg Brake Disc Caliper Wheel Hub

BMW E90 320i N43 Rear Left N/S Axle Suspension Leg Brake Disc Caliper Wheel Hub is a complete rear suspension assembly designed for the driven axle in vehicles with a petrol engine. This set provides a practical solution for replacing worn suspension components, ensuring structural integrity and proper wheel alignment on the left side. By maintaining the factory rear suspension geometry, the product helps to preserve vehicle stability and predictable handling on the road.

Specifications and technical data

• SKU: 6774809-38
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774809
• Substitutable numbers: 33326774809, 6774809, 33326774805, 6774805, 33326757079, 6757079, 33326761581, 6761581, 33217553561, 7553561, 33217525821, 7525821, 34216768697, 6768697, 34216864901, 6864901, 34216855008, 34216764653, 6855008, 6764653, BG
• Weight: 150
• Location on the vehicle: Rear, Left
• Fuel type: Petrol
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented item belongs to the Suspension replacement kits category and is dedicated for installation on the rear left axle of the BMW E90 320i model with the N43 engine. It is responsible for proper wheel guidance, transferring loads from the body to the road surface, and maintaining the specified suspension geometry under typical operating conditions.

Combining the control arms with the wheel hub in a single assembly facilitates servicing, reduces the risk of installation errors, and allows for faster diagnostics and replacement of worn components within the rear suspension. This solution is particularly beneficial for post-collision repairs or in cases of significant wear of metal-rubber components.

Benefits of using a complete rear suspension assembly

Using a complete rear left suspension assembly with a wheel hub allows for restoring proper wheel guidance and vehicle stability in a single service process. This reduces the need for multiple disassemblies and re-adjustments, which translates into time savings in the workshop and a more predictable final result.

The element is prepared for operation in a vehicle with a petrol engine, ensuring compatibility with the load characteristics typical for this powertrain version. The appropriately selected mass of the assembly promotes the maintenance of proper load distribution on the rear axle, which is important for traction and driving comfort.

Technical and installation characteristics

The placement on the vehicle on the rear left side facilitates clear identification during part selection and service planning. The suspension assembly with the wheel hub is structurally adapted to work with factory mounting points in the BMW E90 320i N43 body, which promotes the maintenance of proper geometry without the need for additional modifications.

The product has an assigned OEM part number and associated interchangeable numbers, which facilitates compatibility verification in service catalogs and part selection systems. This allows for precise matching of the element to the specific vehicle configuration, minimizing the risk of ordering errors.

Condition, origin, and service application

The offered suspension assembly comes from dismantling and is marked as a used BMW part, which is a cost-effective solution while maintaining the manufacturer's original specifications. Choosing such a component is particularly justified for maintenance repairs, where structural fit and compliance with the factory design of the chassis are crucial.

Due to the nature of the product, installation in a specialized workshop is recommended, following the manufacturer's procedures and performing a final suspension geometry check. A correctly performed replacement allows for restoring driving stability, improving vehicle response on uneven surfaces, and reducing uneven tire wear.

Operation and extending the service life of the component

To maximize the potential of the used suspension assembly with the wheel hub, it is worth performing regular chassis inspections and checking the condition of metal-rubber bushings, bearings, and mounting points. Proper maintenance and correct tightening torques for bolted connections affect the durability of the entire system.

Practical tips regarding the operation and maintenance of dismantled components, including suspension elements, can be found in the article How to extend the service life of used car parts?, which describes proven methods for taking care of engines, suspension, and electronics sourced from recycling.

If you are planning a comprehensive repair or upgrade of the rear suspension zone in your BMW and need other elements from the same group, such as control arms, hubs, or complete mounting assemblies, check the available parts in the BMW suspension replacement kits category.