Dorman 520-982 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Rearward

Durable Suspension Control Arm and Ball Joint Assembly for BMW 7 Series

The Dorman 520-982 suspension control arm and ball joint assembly is engineered for reliable performance in BMW 740i, 740iL, and 750iL models. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and improved vehicle handling.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings for vibration dampening and noise reduction
• Press-in ball joint with threaded stud for secure mounting
• Constructed from durable iron with a black finish for corrosion resistance
• Mounting hardware included for straightforward installation
• Compatible with BMW 740i, 740iL, and 750iL suspension systems

Technical Details and Construction

This suspension control arm and ball joint assembly (part number 520-982) features a casting/forged iron control arm designed to meet regular suspension grade requirements. The assembly comes pre-greased, eliminating the need for immediate maintenance after 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 and reliable steering response. 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.

Compatible BMW Models and Applications

This Dorman suspension control arm and ball joint assembly is specifically compatible with BMW 7 Series models including the 740i, 740iL, and 750iL. It is designed to replace worn or damaged control arms and ball joints, restoring proper suspension geometry and vehicle stability.

• Replaces worn or damaged suspension control arms
• Restores proper steering and handling performance
• Eliminates clunking or knocking noises from suspension
• Improves ride comfort by reducing vibration
• Addresses uneven tire wear caused by faulty suspension components

Installation Notes and Tips

Installation of the Dorman 520-982 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary during assembly. Ensure the mounting hardware is securely tightened to manufacturer torque specifications. It is recommended to have a professional alignment performed after installation to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 520-982 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to official Dorman documentation for exact warranty terms.