Rear Wishbone BMW F10 F12 M5 M6 Strut Left N/S Upper Axle Control Arm 2284979

Rear Wishbone BMW F10 F12 M5 M6 Strut Left N/S Upper Axle Control Arm is an original component from the Control arms and ball joints group, designed for the rear left suspension section in sporty BMW 5 and 6 series models. The precise geometry of this control arm supports handling stability, proper wheel alignment, and predictable vehicle behavior during dynamic driving. This is a solution for users who expect a solid, factory-spec construction and want to maintain the correct operating parameters of the rear suspension.

Specifications and technical data

• SKU: 2284979
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2284979
• Substitutable numbers: 2284979, 31122284979, 7847277, 31127847277, KZ
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The presented upper control arm operates in the rear left part of the suspension, responsible for maintaining the correct position of the wheel relative to the body and controlling geometry angles. Thanks to its rigid construction and properly selected mounting points, this component helps limit unwanted wheel movement during acceleration, braking, and cornering.

In high-performance vehicles such as the BMW M5 and M6, a properly functioning upper control arm has a significant impact on:

• driving stability at high speeds,
• even tire wear,
• precision of steering response,
• damping comfort in the rear axle.

Benefits of using an original BMW control arm

Using an original upper control arm in the rear axle of a BMW allows you to maintain the factory design assumptions of the suspension. Proper force distribution at the mounting point and matching with other system components translates into consistent, predictable vehicle handling. Factory geometry and proper stiffness minimize the risk of incorrect wheel alignment and reduce the need for frequent convergence adjustments.

Replacing a worn control arm with a functional part also helps reduce knocking and play in the rear suspension, which improves perceived ride comfort and increases driving confidence on uneven surfaces.

Installation characteristics and fitment

The control arm has been designed specifically for operation in the rear left part of the suspension, ensuring a proper fit to the mounting points on the body and the steering knuckle. Dedicated vehicle placement facilitates the identification of the correct side during installation and limits the risk of errors when replacing suspension components.

The component should be installed in accordance with BMW service procedures, using appropriate tightening torques and checking geometry after work is completed. Proper installation is crucial for maintaining full suspension functionality and even loading of other components.

Product condition and service application

The offered control arm comes from the used parts group, which allows for economical repair while maintaining the original BMW construction. This type of component is particularly useful in situations where play, cracks, or deformations appear in the rear suspension as a result of operation, corrosion, or mechanical damage.

Replacing the upper control arm is recommended, among other things, in the event of:

• noticeable play in the rear suspension,
• uneven tire wear on the rear axle,
• problems with maintaining wheel geometry,
• damage after a collision or hitting an obstacle.

Suspension service expansion and educational materials

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 additional control arms, ball joints, or connecting elements, check the available parts in the BMW Control arms and ball joints category.

To better understand the relationships between individual suspension components and the symptoms of their wear, it is worth consulting practical technical materials. The article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses the principles of diagnostics and operation of key elements of this system, will be helpful.

Summary

Rear Wishbone BMW F10 F12 M5 M6 Strut Left N/S Upper Axle Control Arm is a functional, original component designed for operation in the rear left part of the suspension, allowing for the restoration of proper geometry and handling stability. Choosing this component is a way to maintain the driving characteristics typical of a BMW, while simultaneously reducing repair costs thanks to the use of a used part with a factory-spec construction.