BMW 1 3 Series F20 F21 F30 Rear Tension Strut Wishbone Control Arm 6792517

BMW F20 F21 F30 Rear Control Arm Left Right is an original suspension component designed for the rear axle, dedicated to BMW vehicles. It enables precise wheel guidance, geometry stabilization, and maintains predictable vehicle behavior during driving. This is a solution for users who expect a robust construction and proper fit to the factory suspension system.

Specifications and technical data

• SKU: 6792517
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6792517
• Substitutable numbers: 6792517, EM
• Location on the vehicle: Rear
• Category: Other Engine Parts

Purpose and Function of the Rear Control Arm

The presented control arm operates in the rear suspension area, responsible for maintaining the correct position of the wheel relative to the body. Its task is to transfer loads generated during acceleration, braking, and encountering uneven surfaces, as well as to stabilize toe and camber angles.

This component is crucial for:

• maintaining straight-line stability at higher speeds,
• even tire wear,
• proper operation of assistance systems (ABS, traction control, ESP),
• driving comfort by reducing unwanted play in the suspension.

Compatibility with BMW Platform

The BMW F20 F21 F30 Rear Control Arm Left Right has been designed with the rear suspension structure used in BMW compact and mid-size models in mind. This ensures proper fit to mounting points and compliance with factory geometry settings.

The appropriate geometry of the control arm allows for the precise cornering characteristic of BMW and predictable body response during load changes. This is particularly important in cars used dynamically or with higher mileage, where suspension component wear directly impacts safety.

Construction Characteristics and Installation

The rear control arm is a metal component, adapted to work in demanding operating conditions – it is exposed to variable loads, vibrations, and external factors. The construction provides adequate stiffness while maintaining the required suspension system flexibility.

When replacing, it is recommended to:

• inspect other rear suspension components (bushings, links, sleeves),
• perform wheel alignment after installation,
• use the correct bolt tightening torque according to service documentation.

This approach allows for the full utilization of the potential of the newly installed control arm and restores predictable vehicle behavior.

Component Condition and Benefits of Choosing Original Parts

The offered control arm is a used part, allowing for economical repair while maintaining the original manufacturer's specifications. In practice, this means a proper fit to the body, compliance with factory mounting points, and compatibility with other suspension components.

Choosing an original BMW Group component offers:

• preservation of factory handling characteristics,
• certainty regarding the geometry and shape of the arm,
• easier identification and selection of replacement parts in the future.

Suspension System Extension and Related Components

Replacing the rear control arm often requires verification of other components in this area – especially metal-rubber bushings, mounts, and geometry adjustment elements. A consistent approach to suspension servicing helps reduce subsequent costs and avoid re-disassembly of the same parts.

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 additional control arms, bushings, or mounts, check the available parts in the Other BMW category.

Technical Knowledge and Drivetrain Development

For users interested in the broader context of solutions used in sports versions of cars, including differences in chassis, braking, and drivetrain construction, an article comparing high-performance models to standard versions may be helpful. More information can be found in the material: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.