Dorman 520-737 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-737 suspension control arm and ball joint assembly is designed specifically for BMW 540i and M5 models. This pre-greased, aluminum control arm assembly offers a reliable replacement solution for light suspension grade applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Aluminum control arm with casting/forged construction
• Press-in ball joint with threaded stud included and installed
• Compatible with BMW 540i and M5 models

Detailed Product Description

The Dorman 520-737 control arm and ball joint assembly features a durable aluminum control arm constructed through casting and forging processes, providing strength while maintaining a lightweight design. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is press-in mounted with a threaded stud type, designed for secure attachment and reliable steering response. This assembly is finished in black and includes all necessary mounting hardware for a straightforward replacement process.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with BMW 540i and M5 models, making it a suitable replacement part for these vehicles. The part number 520-737 ensures precise fitment and performance for these specific BMW models, addressing suspension wear and improving vehicle stability.

• Corrects worn or damaged control arms causing poor alignment
• Replaces faulty ball joints that affect steering control
• Resolves excessive suspension noise or vibration
• Improves handling and ride quality on BMW 540i and M5
• Addresses rubber bushing deterioration impacting suspension performance

Installation Notes and Tips

Installation of the Dorman 520-737 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the assembly comes pre-greased and includes mounting hardware, it simplifies the replacement process. Ensure the vehicle is properly supported and aligned after installation. The press-in ball joint design requires careful seating to avoid damage. It is recommended to check torque specifications for mounting bolts and perform a wheel alignment following installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-737 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.