Dorman 521-242 Suspension Control Arm and Ball Joint Assembly - Front Right Lower Forward

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-242 suspension control arm and ball joint assembly is engineered for reliable performance in BMW vehicles. Designed specifically for various BMW xDrive models, this assembly ensures precise suspension movement and improved handling.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for vibration dampening
• Machined ball joint with threaded stud for secure fitment
• Constructed from lightweight aluminum with a black finish
• Mounting hardware included for straightforward installation
• Compatible with multiple BMW 2 Series, 3 Series, and 4 Series xDrive models

Product Features and Specifications

This suspension control arm and ball joint assembly features a casting/forged 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 absorb road vibrations and reduce noise, enhancing ride comfort. The ball joint is machined and installed with a threaded stud type, providing a secure and precise connection to the suspension system. The control arm measures up to 288.5 mm in width and 237 mm in length, finished in black for corrosion resistance. One mounting hole with a diameter of 12.3 mm is included, and mounting hardware is supplied to facilitate installation.

Compatible BMW Models

This Dorman 521-242 suspension control arm and ball joint assembly is compatible with a range of BMW xDrive models, including the 228i xDrive, 230i xDrive, 320i xDrive, 328d xDrive, 328i xDrive, 330i xDrive, 335i xDrive, 340i xDrive, 428i xDrive, 428i xDrive Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe, M235i xDrive, and M240i xDrive. This ensures a precise fit and reliable suspension performance for these specific BMW models.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Suspension noise due to degraded rubber bushings
• Reduced handling performance from compromised control arm integrity
• Alignment problems resulting from bent or worn suspension components

Installation Notes and Tips

Before installation, verify compatibility with your specific BMW model and year. The assembly comes pre-greased, so no additional lubrication is necessary. Use the included mounting hardware to ensure a secure fit. 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 durability and fitment. The 521-242 control arm and ball joint assembly undergoes rigorous quality control to ensure reliable performance. Please refer to Dorman's warranty policy for specific coverage details.