Dorman 520-576 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-576 suspension control arm and ball joint assembly is designed for select BMW models, including the 525i, 530i, 535i, 540i, 735i, 740i, 750iL, and M5. This assembly combines a durable aluminum control arm with a pre-installed ball joint to ensure reliable suspension performance and handling.

• Pre-greased ball joint for immediate use
• Includes rubber bushings for vibration dampening
• Aluminum control arm with black finish for corrosion resistance
• Press-in ball joint with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Designed for light suspension grade applications
• Compatible with BMW 525i, 530i, 535i, 540i, 735i, 740i, 750iL, and M5 models

Detailed Product Description

The Dorman 520-576 suspension control arm and ball joint assembly features a forged and cast aluminum control arm that provides a balance of strength and lightweight performance. The control arm measures up to 288.5 mm in width and 237 mm in length, finished in black to resist corrosion. It comes with rubber bushings that help absorb road vibrations and reduce noise, enhancing ride comfort. The ball joint is press-in mounted and includes a threaded stud with a 14 mm thread diameter, pre-greased for maintenance-free operation. This assembly is designed for light suspension grade use and includes all necessary mounting hardware, making it a direct replacement for the original equipment on compatible BMW vehicles.

Compatible BMW Models and Applications

• BMW 525i and 525iT
• BMW 530i and 535i
• BMW 540i
• BMW 735i and 735iL
• BMW 740i and 740iL
• BMW 750iL
• BMW M5

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling
• Ball joint wear leading to steering looseness or noise
• Corrosion or fatigue in original control arm components
• Vibration and noise from deteriorated suspension parts
• Alignment problems due to faulty suspension components

Installation Notes and Tips

Installation of the Dorman 520-576 control arm and ball joint assembly requires basic suspension knowledge and tools. The assembly comes pre-greased and includes mounting hardware, but no grease fitting is provided. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Torque all mounting bolts to manufacturer specifications. Since this part is not adjustable, alignment should be checked and corrected after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-576 assembly undergoes rigorous quality control to ensure durability and fitment accuracy for BMW vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete information.