Dorman 520-744 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Durable Suspension Control Arm and Ball Joint Assembly for BMW 740i, 740iL, 750iL

The Dorman 520-744 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for BMW 740i, 740iL, and 750iL models. Designed with quality materials and pre-greased components, this assembly offers reliable operation and long service life.

• Pre-greased ball joint for immediate use
• Includes rubber bushings and mounting hardware
• Aluminum control arm with black finish for corrosion resistance
• Press-in ball joint with threaded stud for secure fitment
• Compatible with BMW 740i, 740iL, and 750iL suspension systems

Product Features and Specifications

This suspension control arm and ball joint assembly features a forged and cast aluminum control arm designed for light suspension grade applications. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce vibration and noise, while the ball joint is press-in mounted with a 14 mm threaded stud for secure attachment. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single 12.3 mm mounting hole. Mounting hardware is included to facilitate installation.

Compatible BMW Models and Applications

This Dorman 520-744 assembly is specifically compatible with BMW 740i, 740iL, and 750iL models. It is designed to replace worn or damaged suspension control arms and ball joints, restoring proper suspension geometry and vehicle handling characteristics.

Common Suspension Issues Addressed

• Excessive play or looseness in steering
• Uneven tire wear due to misalignment
• Clunking or knocking noises from front suspension
• Vibration or instability during driving
• Worn bushings causing reduced ride comfort

Installation Notes and Tips

Installation requires basic suspension tools and mechanical knowledge. 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 fasteners to manufacturer specifications. Since this part is not adjustable, verify fitment carefully before installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-744 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its reliability for BMW 740i, 740iL, and 750iL applications.