Dorman 522-887 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Durable Suspension Control Arm and Ball Joint Assembly for BMW X3 and X4

The Dorman 522-887 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for BMW X3 and X4 models. Designed with quality materials and pre-greased components, this assembly ensures reliable operation and long service life.

• Pre-greased ball joint for immediate use
• Includes rubber bushings for vibration dampening
• Aluminum control arm with casting/forged construction
• Press-in ball joint with threaded stud (14 mm thread diameter)
• Black finish with one mounting hole (12.3 mm diameter)
• Mounting hardware included for straightforward installation
• Light suspension grade type suitable for regular driving conditions

Product Details and Specifications

This suspension control arm and ball joint assembly (part number 522-887) is specifically designed for BMW X3 and X4 vehicles, providing a direct replacement for worn or damaged components. The control arm is constructed from durable aluminum using casting and forging methods, offering a balance of strength and weight savings. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is press-in mounted and features a threaded stud with a 14 mm diameter, ensuring secure attachment and compatibility with factory suspension setups. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole sized at 12.3 mm to match OEM specifications.

Common Applications and Problem Resolution

• Restores proper suspension geometry and alignment on BMW X3 and X4
• Eliminates clunking or knocking noises caused by worn ball joints or bushings
• Improves steering response and handling stability
• Addresses uneven tire wear due to faulty control arm components
• Replaces damaged or corroded suspension parts to maintain vehicle safety

Installation Notes and Tips

Installation of the Dorman 522-887 suspension control arm and ball joint assembly requires basic suspension knowledge and appropriate 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 suspension points. Torque all fasteners to manufacturer specifications to maintain safety and performance. It is recommended to have a professional alignment performed after installation to optimize handling and tire wear.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 522-887 assembly undergoes rigorous quality control to ensure durability and reliable performance on BMW X3 and X4 models. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.