Dorman 520-732 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly for BMW

The Dorman 520-732 suspension control arm and ball joint assembly is engineered for reliable performance on select BMW models. Designed specifically for BMW 318i, 318is, 325e, 325es, 325i, and 325is vehicles, this assembly ensures proper suspension function and handling.

• Pre-greased ball joint for immediate use
• Press-in ball joint mounting with threaded stud
• Constructed from durable iron with a black finish
• Includes mounting hardware for straightforward installation
• Compatible with light suspension grade requirements

Product Features and Specifications

This Dorman suspension control arm and ball joint assembly (part number 520-732) features a casting/forged iron control arm designed for strength and durability. The ball joint is pre-installed and pre-greased, eliminating the need for additional lubrication during installation. The assembly includes one mounting hole with a diameter of 12.3 mm and a control arm maximum width of 288.5 mm and length of 237 mm. The ball joint stud is threaded with a 14 mm thread diameter, providing secure attachment. Although bushings are not included, the assembly comes with all necessary mounting hardware to facilitate replacement.

Compatible BMW Models and Applications

This control arm and ball joint assembly is compatible with the following BMW models: 318i, 318is, 325e, 325es, 325i, and 325is. It is designed to meet the suspension requirements of these vehicles, particularly those with light suspension grade specifications. Using the correct part number 520-732 ensures proper fitment and suspension performance.

Common Suspension Issues Addressed

• Worn or damaged control arms causing poor handling
• Ball joint wear leading to steering instability
• Excessive suspension noise or vibration
• Uneven tire wear due to suspension misalignment
• Loose or faulty mounting hardware affecting suspension integrity

Installation Notes and Tips

Installation of the Dorman 520-732 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque mounting hardware to manufacturer specifications. This assembly is not adjustable, so precise fitment is critical. It is recommended to inspect related suspension components during installation for overall system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-732 suspension control arm and ball joint assembly undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.