Moog RK80527 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Moog RK80527 Suspension Control Arm and Ball Joint Assembly Overview

The Moog RK80527 suspension control arm and ball joint assembly is engineered for precise fitment on select BMW models including the 320i, 323Ci, 323i, 325Ci, 325i, 328Ci, 328i, 330Ci, 330i, and Z4. Designed with durability and performance in mind, this assembly features a forged aluminum control arm and pre-greased components to ensure reliable operation and long service life.

• Pre-greased ball joint for immediate use
• Includes rubber bushings for vibration dampening
• Forged aluminum control arm for strength and reduced weight
• Press-in ball joint mounting with threaded stud type
• Mounting hardware included for straightforward installation
• Control arm maximum length of 13.870 inches
• Gray finish for corrosion resistance and durability

Detailed Features and Construction

The RK80527 control arm assembly from Moog is constructed with a forged aluminum control arm, providing a balance of strength and lightweight design that helps maintain proper suspension geometry. The assembly comes pre-greased, eliminating the need for initial lubrication and reducing maintenance requirements. Rubber bushings are included to absorb road vibrations and improve ride comfort. The ball joint is press-in mounted with a threaded stud, ensuring secure attachment and compatibility with the specified BMW models. Additionally, all necessary mounting hardware is supplied to facilitate a complete and proper installation.

Compatible BMW Models and Applications

This suspension control arm and ball joint assembly is compatible with a range of BMW vehicles, specifically the 320i, 323Ci, 323i, 325Ci, 325i, 328Ci, 328i, 330Ci, 330i, and Z4 models. It is designed to replace worn or damaged control arms and ball joints, restoring suspension performance and vehicle handling characteristics.

• Restores proper suspension alignment and handling
• Eliminates clunking or knocking noises from worn ball joints
• Reduces uneven tire wear caused by faulty bushings
• Improves ride comfort by replacing deteriorated rubber bushings
• Addresses suspension instability or looseness

Installation Notes and Tips

Installation of the Moog RK80527 assembly requires basic suspension knowledge and tools. Since the ball joint is press-in mounted and the stud is threaded, ensure proper torque specifications are followed during installation. The included mounting hardware simplifies the process, but it is recommended to inspect all suspension components for wear during replacement. Alignment should be checked and adjusted after installation to maintain optimal vehicle handling.

Quality Assurance and Warranty

Moog suspension components are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The RK80527 assembly is pre-greased and includes all necessary bushings and hardware for a complete replacement. While specific warranty details may vary, Moog typically offers a limited warranty against defects in materials and workmanship, providing confidence in the product's quality.