Control Arm BMW G11 G12 G30 G31 Wishbone Rear Left N/S Axle Suspension 6861125

Visual condition of the part 

The product shows signs of use visible in the photos. 

Control Arm BMW G11 G12 G30 G31 Wishbone Rear Left N/S Axle Suspension is a component from the Control arms and ball joints group, designed for the rear left suspension section in selected premium BMW models. This solution helps restore proper axle geometry, handling stability, and predictable vehicle behavior during braking and cornering.

Specifications and technical data

• SKU: 6861125
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6861125
• Substitutable numbers: 6861125, 33326861125
• Location on the vehicle: Rear, Left
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the BMW suspension

The presented control arm operates in the rear left part of the suspension, responsible for precise wheel guidance relative to the body. As a component of the multi-link system, it influences:

• maintaining the correct wheel position under load,
• driving stability at higher speeds,
• even tire wear by maintaining correct toe and camber settings,
• damping vibrations transmitted from the road surface to the body.

Thanks to its precisely calculated geometry and cooperation with other suspension components, the BMW rear left control arm helps maintain predictable vehicle reactions to steering inputs and load changes.

Benefits of using an original BMW control arm

Choosing an original component from the Control arms and ball joints group ensures a perfect fit with factory mounting points and compliance with the manufacturer's design specifications. This translates into:

• proper cooperation with stock shock absorbers, springs, and stabilizers,
• maintaining factory geometry settings after proper adjustment on a measurement stand,
• consistent vehicle behavior with safety systems (ABS, traction control, electronic stability control).

This solution is particularly important in premium class models, where the suspension system is designed with high precision, and improperly selected components can degrade comfort and driving confidence.

Installation and operational characteristics

The control arm is designed for installation in the rear left part of the vehicle, replacing the factory component. During replacement, it is recommended to:

• check the condition of other control arms and ball joints on the rear axle,
• inspect for play in the mounts and metal-rubber bushings,
• perform a suspension geometry measurement and adjustment after completing the work.

This approach allows you to fully utilize the potential of the newly installed component and reduce the risk of premature tire wear or unwanted body vibrations. Precise installation is crucial for maintaining ride comfort and safety.

Technical support and knowledge about the suspension system

If you want to better understand how your car's suspension works and the role the control arm plays in the context of shock absorbers and stabilizers, it is worth consulting verified technical materials. Practical information can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which discusses operating principles, typical signs of wear, and service tips.

Expanding BMW suspension repairs

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