Delphi TC3579 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC3579 suspension control arm and ball joint assembly is engineered for precise fitment on select BMW models. Designed for the front right lower rearward position, this component ensures reliable suspension performance and handling for vehicles equipped with xDrive systems.

• Constructed from durable aluminum with casting and forging processes
• Includes natural rubber bushings for effective vibration dampening
• Machined ball joint mounting with threaded stud for secure attachment
• Standard replacement grade suitable for light suspension applications
• Silver finish complements OEM aesthetics

Technical Specifications and Features

The TC3579 control arm features a robust aluminum construction combining casting and forging techniques to provide strength while minimizing weight. It includes natural rubber bushings that help absorb road shocks and reduce noise. The ball joint is machined for precise mounting and uses a threaded stud with a 14 mm diameter and 80 mm length, ensuring compatibility with the specified BMW models. This assembly is designed without grease fittings and is not pre-greased, reflecting a maintenance-free design for typical driving conditions. The control arm measures approximately 346 mm (13.622 inches) in length and 111 mm (4.37 inches) in maximum width, with a single mounting hole of 12.2 mm diameter.

Compatible BMW Models and Applications

This Delphi suspension control arm and ball joint assembly is compatible with a range of BMW vehicles equipped with xDrive all-wheel-drive systems, including but not limited to the 228i xDrive, 230i xDrive, 320i xDrive, 328d xDrive, 328i GT xDrive, 328i xDrive, 330i GT xDrive, 330i xDrive, 335i GT xDrive, 335i xDrive, 340i GT xDrive, 340i xDrive, 428i xDrive, 428i xDrive Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe, M235i xDrive, and M240i xDrive. The part number TC3579 ensures precise fitment for the front right lower rearward suspension position.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Suspension noise or vibrations from deteriorated components
• Alignment problems affecting vehicle handling and safety
• Replacement of corroded or bent control arms after impact

Installation Notes and Tips

When installing the Delphi TC3579 control arm assembly, ensure the vehicle is securely lifted and supported. Remove the old control arm carefully, noting the position of bushings and ball joint connections. Since this assembly is not pre-greased and lacks grease fittings, no additional lubrication is required during installation. Torque all mounting hardware to manufacturer specifications. It is recommended to perform a wheel alignment after installation to maintain proper suspension geometry and handling characteristics.

Quality Assurance and Warranty

Delphi suspension components meet standard replacement grade requirements, providing reliable performance for light suspension applications. The TC3579 assembly is manufactured to OEM standards using high-quality materials and processes. While specific warranty details are not provided, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.