BMW E93 320i N43 Rear Right O/S Suspension Leg Axle Brake Hub Manual

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW E93 320i N43 Rear Right O/S Suspension Leg Axle Brake Hub Manual is a precision rear suspension component, designed for the right-side drive axle in the BMW 3 Series E93 model with the N43 engine and manual transmission. This used, original steering knuckle provides a solid foundation for professional suspension repair, ensuring proper wheel guidance and stable interaction with other chassis components. Thanks to its factory geometry and perfect fit for this specific drivetrain configuration, the part allows for the restoration of the vehicle's correct handling parameters.

Specifications and technical data

• SKU: 6774808-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774808
• Substitutable numbers: 33326774808, 6774808, 34216768698, 6768698, 34216864901, 6864901, 33326757736, 6757736, 34216855008, 6855008, 34216764653, 6764653, 33217561782, 7561782, 33217527074, 7527074
• Location on the vehicle: Rear, Right
• Gearbox type: Manual
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The rear steering knuckle in this BMW model is responsible for stable wheel guidance, transferring loads from the control arms and shock absorber, and maintaining the specified suspension geometry. In the version designed for the right side of the rear axle, it works in conjunction with brake system components and the wheel hub bearing, creating a rigid, load-resistant structural assembly.

Being dedicated to a specific drivetrain configuration with a manual transmission means that the geometry and mounting points are tailored to the characteristics of this powertrain variant. This allows for the maintenance of correct camber and toe angles, which translates into predictable vehicle behavior during acceleration, braking, and cornering.

Benefits of using an original steering knuckle

Using an original suspension leg in the BMW E93 320i N43 provides a number of practical service and operational benefits:

• factory mounting points for control arms, shock absorber, and brake equipment,
• preservation of the design rigidity of the suspension assembly,
• easier geometry alignment after repair,
• compatibility with standard BMW structural solutions.

As a result, the steering knuckle can be used both for standard replacement of a damaged part and for more extensive work on the rear axle, where maintaining the consistency of the entire system is crucial.

Application in Suspension Replacement Kits

This element fits perfectly into Suspension Replacement Kits used for comprehensive rear axle maintenance in the BMW E93. Replacing the steering knuckle is particularly recommended after mechanical damage (e.g., impact with an obstacle, collision) or in the event of significant wear of the cooperating components, where there is a risk of deformation of the mounting points.

In workshop practice, the rear steering knuckle is often replaced in parallel with control arms, wheel hub bearings, or brake system components to minimize the risk of needing to revisit this area and to ensure a consistent repair result.

Selection and fitment for BMW

To correctly select this steering knuckle for a specific BMW 3 Series E93 320i N43, it is worth verifying compatibility based on manufacturer markings and vehicle configuration (convertible body, N43 engine, manual transmission, right rear axle side). This approach reduces the risk of installing an incorrect variant and facilitates subsequent geometry alignment.

If you are planning a comprehensive repair or upgrade of the rear suspension area in your BMW and need other parts from the same group, such as control arms, shock absorbers, or stabilizers, check the available parts in the BMW Suspension Replacement Kits category.

Technical support and suspension knowledge

When working on the rear axle, it is particularly important to understand how the steering knuckle interacts with shock absorbers, control arms, and the stabilizer. To organize your knowledge regarding the diagnostics and operation of these sub-assemblies, it is worth referring to expert materials, such as the article "Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers", which helps to better plan the scope of repairs and select the appropriate components.

If you are considering different service strategies and want to compare the cost-effectiveness of installing original, aftermarket, or used parts, the guide "Original, aftermarket, or used – which car parts are the most cost-effective?" will also be helpful, discussing cost aspects, quality, and fitment issues based on manufacturer markings.