BMW 3 E91 325i N52 Rear Left N/S Suspension Leg Axle Brake Wheel Hub Manual

BMW 3 E91 325i N52 Rear Left N/S Suspension Leg Axle Brake Wheel Hub Manual is a complete solution for the driver-side rear suspension in the BMW 3 Series E91 model with an N52 engine and manual transmission. This component combines the function of the axle shaft with the steering knuckle assembly, ensuring stable wheel handling, power transmission, and correct suspension geometry. By maintaining the factory design, the component works perfectly with the standard rear suspension architecture, which facilitates installation and subsequent operation.

Specifications and technical data

• SKU: 6774807-24
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774807
• Substitutable numbers: 33326774807, 6774807, 34216768697, 6768697, 33217527027, 7527027, 33207580945, 7580945, 34216864901, 6864901, 33326757735, 6757735, 34216764651, 6764651, 33217553559, 7553559, 34216855008, 6855008, 34216764653, 6764653
• Location on the vehicle: Rear, Left
• Gearbox type: Manual
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented axle shaft with steering knuckle is designed to operate in the rear left part of the suspension of a rear-wheel-drive vehicle with a manual transmission. It is responsible for transferring torque from the drive axle to the wheel and for maintaining the correct position of the hub relative to the control arms and the body. Using the original design allows for maintaining factory handling parameters, which translates into predictable vehicle behavior during acceleration, braking, and cornering.

Benefits of using a complete axle shaft with steering knuckle

Using a complete axle shaft assembly with a steering knuckle in the BMW 3 E91 325i N52 brings a number of practical service and operational benefits:

• reduction in the number of workshop operations by replacing the entire assembly instead of individual components,
• maintaining the structural integrity of the rear suspension,
• easier inspection and potential geometry adjustment after installation,
• secure seating of the hub and bearings in the steering knuckle, which promotes handling stability.

For the user, this means more predictable car behavior and consistent operation of the suspension and drive system during daily use.

Characteristics of the used component

The offered item comes from dismantling and is classified as used, which allows for a significant reduction in repair costs compared to new components, while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for older generations of BMW, where a reasonable balance between quality and budget is important. The factory design ensures proper fitment to the body mounts and compatibility with standard control arms, hubs, and braking systems.

Selection and compatibility with other part numbers

The steering knuckle with axle shaft has an assigned OEM part number and a set of interchangeable numbers, which facilitates precise identification in BMW catalogs and comparison with the element installed in the vehicle. This allows for safely selecting the correct component for a specific engine version and drive configuration, minimizing the risk of incompatibility. In case of doubt, it is worth comparing the markings with service documentation or consulting a mechanic specializing in the BMW brand to ensure that the suspension replacement kit will be fully compatible with the given E91 unit.

Support for BMW suspension upgrades and service

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

When deciding to use used components, it is worth knowing the broader economic and technical context of such a solution – the article on our blog will be helpful: Used parts for Mercedes – original parts from dismantling, which discusses the advantages of using original dismantled components in premium class cars.