BMW 1 Series E82 125i N52N Rear Left N/S Spring Strut Leg Brake Suspension Hub

BMW 1 Series E82 125i N52N Rear Left N/S Spring Strut Leg Brake Suspension Hub is an original chassis component designed for the rear left side of the vehicle. Thanks to its factory geometry and precise fitment for the specific engine version, it ensures stable handling, predictable vehicle behavior, and proper integration with other suspension components. This is the ideal solution for users seeking a proven, factory-spec component rather than generic aftermarket replacements.

Specifications and technical data

• SKU: 6774809-13
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774809
• Substitutable numbers: 33326774809, 6774809, 34216768693, 6768693, 34216855005, 6855005, 7533445, 33326774805, 6774805, 33326757079, 6757079, 33326761581, 6761581, 34216778051, 6778051, 33217537715, 7537715, 33217547073, 7547073
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented steering knuckle is part of the Suspension replacement kits group and operates in the rear left section of the vehicle. It is responsible for precise wheel guidance, transferring loads from the body to the road, and maintaining proper axle geometry. A correctly selected steering knuckle minimizes the risk of uneven tire wear, improves stability at higher speeds, and supports the effectiveness of safety systems.

Compatibility and fitment for BMW

The component has been designed specifically for BMW E82 125i models with the 218 HP N52N engine, which guarantees proper fitment to the suspension characteristics and vehicle weight. Using a component dedicated to a specific engine version eliminates the need for modifications, facilitates installation, and allows for the maintenance of factory wheel alignment settings.

Product characteristics and benefits of installation

The rear left steering knuckle in this model operates under demanding conditions, transferring vertical, lateral, and longitudinal loads. Replacing a worn or damaged part with the correct component allows you to:

• restore proper suspension geometry and driving stability,
• reduce unwanted play and knocking noises in the rear of the vehicle,
• limit excessive wear of tires and mating components,
• ensure better predictability of the car's behavior in corners.

By using an original design intended for BMW, it is possible to maintain the consistency of the entire chassis, which translates into safer and more comfortable driving.

Condition, origin, and technical aspects

The offered component comes from disassembly and is marked as a used BMW part. For the user, this means the ability to use a part with factory specifications while reducing costs compared to a new subassembly. The product has an assigned OEM number and a set of interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration based on catalog data.

Its location on the vehicle as the rear left side allows for unambiguous determination of the mounting position and avoids errors during selection. In combination with the appropriate control arms, bearings, and other suspension elements, the steering knuckle creates a coherent load-bearing system, essential for the durability of the entire structure.

Support with selection and more about used parts

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

When choosing components from disassembly, it is worth knowing the specifics of original premium subassemblies – their durability, verification methods, and cost-effectiveness compared to new replacements. A broader discussion of this topic, using another premium brand as an example, can be found in the article: Used parts for Mercedes – original parts from disassembly, which helps to understand what to look for when buying high-quality used components.