Dorman 520-560 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-560 suspension control arm and ball joint assembly is engineered for reliable performance in BMW vehicles. Designed specifically for models like the 120i, 328i, and Z4, this assembly ensures precise suspension control and improved handling.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings for effective vibration dampening
• Constructed from lightweight aluminum with a black finish
• Press-in ball joint with threaded stud for secure mounting
• Mounting hardware included for a complete replacement solution

Product Features and Specifications

This suspension control arm and ball joint assembly from Dorman is crafted from forged aluminum, providing a balance of strength and reduced weight. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to absorb road shocks and reduce noise, enhancing ride comfort. The ball joint is press-in mounted with a 14 mm threaded stud, ensuring a secure fit compatible with the specified BMW models. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single 12.3 mm mounting hole for precise alignment. The black finish offers corrosion resistance and a clean appearance under the vehicle.

Compatible BMW Models and Applications

This Dorman 520-560 assembly is compatible with a range of BMW vehicles, including the 120i, 125i, 128i, 130i, 135i, 135is, 323i, 325i, 328i, 330i, 335d, 335i, 335is, X1, and Z4. It is designed to replace worn or damaged suspension components, restoring proper suspension geometry and vehicle handling.

• Eliminates suspension noise caused by worn bushings or ball joints
• Corrects alignment issues resulting from damaged control arms
• Improves steering response and vehicle stability
• Addresses uneven tire wear linked to suspension component failure
• Restores suspension travel and ride quality

Installation Notes and Tips

Installation of the Dorman 520-560 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the assembly comes pre-greased and includes mounting hardware, it simplifies the replacement process. Ensure the vehicle is securely lifted and supported before removal. Verify torque specifications for mounting bolts and ball joint stud to maintain safety and performance. Alignment should be checked and adjusted after installation to ensure optimal handling.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable fit and function. The 520-560 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.