Control Arm BMW F40 F45 X2 F39 Rear Trailing Arm Right O/S Wheel Hub 8842880

Control Arm BMW F40 F45 X2 F39 Rear Trailing Arm Right O/S Wheel Hub is a component from the Control arms and ball joints group, designed for the rear right side of the suspension. Integrating the control arm with the wheel hub ensures structural consistency and facilitates maintenance in BMW F40, F45, and X2 F39 series vehicles.

Specifications and technical data

• SKU: 8842880-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8842880
• Substitutable numbers: 8842880, 33308842880, 6891921, 33406891921, 6799739, 34206799739
• Weight: 150
• Location on the vehicle: Rear, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension

The presented rear trailing arm with wheel hub operates on the rear axle on the right side, responsible for stable wheel guidance relative to the body. As a structural suspension element, it influences:

• maintaining the correct rear axle geometry during straight-line driving and cornering,
• controlling the position of the wheel hub relative to the body under dynamic loads,
• reducing unwanted play and vibrations in the suspension system.

By combining the control arm with the wheel hub, a cohesive module is obtained, which simplifies diagnostics and replacement in case of mechanical damage or operational wear.

Benefits of using an original BMW component

The rear trailing arm with wheel hub comes from the BMW brand, which means maintaining the factory suspension performance characteristics. Proper fitment to the specific axle and side of the vehicle minimizes the risk of geometry issues and unwanted noises while driving.

• compatibility with factory mounting points in the body and steering knuckle,
• preservation of the handling characteristics intended by the manufacturer,
• easier maintenance of correct toe and camber angles after adjustment.

The element has assigned part numbers and interchangeable numbers, which facilitates unambiguous identification in BMW catalogs and the selection of the correct component for a specific body and engine version.

Operational and installation characteristics

The rear trailing arm with wheel hub is intended for installation in the rear, right part of the suspension. Properly selected weight and construction influence the operation of the entire system, including vibration damping and vehicle stability during load changes. The product is offered as a used original element, which allows for economical repair while maintaining factory specifications.

During installation, it is recommended to:

• check the condition of other suspension elements on this axle (silent blocks, ball joints, links),
• perform geometry measurement and adjustment after completing the work,
• use tightening torques in accordance with BMW service documentation.

Technical support and component selection

For precise selection of this control arm with wheel hub, you can use the manufacturer's markings, the OEM part number, and interchangeable numbers, which are visible in the technical specification. Parameters such as placement on the vehicle or weight help verify compatibility with a specific suspension configuration.

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

To better understand the role of these types of components in suspension operation and the relationships between control arms, shock absorbers, and stabilizers, it is worth reading the guide: Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.

Summary

Control Arm BMW F40 F45 X2 F39 Rear Trailing Arm Right O/S Wheel Hub is a functional element from the Control arms and ball joints group, designed for the rear, right side of the suspension in selected BMW models. Using an original component allows for maintaining the handling characteristics intended by the manufacturer, and the simultaneous presence of the wheel hub in one module simplifies the service process and reduces repair time.