Dorman 524-561 Suspension Control Arm and Ball Joint Assembly - Rear Upper Rearward

Dorman 524-561 Rear Upper Rearward Control Arm

Dorman 524-561 is a suspension control arm and ball joint assembly for specific BMW and Rolls-Royce rear suspension applications. It replaces the original equipment lateral arm with a stamped steel design, pre-greased ball joint, and rubber bushings to help restore smooth ride quality and stable rear suspension movement.

Key Features

• Direct replacement suspension control arm and ball joint assembly for select rear upper rearward positions
• Stamped steel control arm with black finish
• Ball joint is included and installed
• Pre-greased for service-ready installation
• Rubber bushings included for OE-style isolation
• Pressed attachment type with mounting hardware included
• Threaded ball joint stud with 14 mm thread diameter
• Part number 524-561 for application matching and cross-reference

Detailed Description

This Dorman suspension control arm assembly is built for rear upper rearward locations on select BMW 5 Series, 6 Series, 7 Series, and Rolls-Royce models, including applications such as the BMW 528i, 535i, 550i, 740i, and Rolls-Royce Ghost. It is engineered as a direct OE-style replacement to support directional stability, consistent suspension geometry, and predictable rear suspension response. The assembly uses a stamped steel arm, rubber bushings, and an installed ball joint to match the original layout on the vehicle.

This part cross-references MOOG Chassis Products RK621946 for the same application.

What It Helps Address

• Rear suspension looseness or imprecise handling
• Clunking or knocking from worn control arm bushings or ball joint wear
• Uneven rear tire wear caused by suspension geometry issues
• Excessive rear-end movement over bumps or during cornering
• Restoring factory-style rear suspension alignment behavior

Installation Notes and Tips

Verify the rear upper rearward position before installation and confirm vehicle-specific fitment by year, make, and model. The assembly is pre-greased and includes the ball joint, bushings, and mounting hardware, which supports a straightforward replacement process. Because this is a suspension component, final alignment checks are recommended after installation.

Quality Assurance

Dorman uses an industry-focused evaluation process for this control arm and ball joint assembly to help deliver smooth ride characteristics, directional stability, and predictable suspension dynamics. Part number 524-561 is built for direct replacement use on confirmed BMW and Rolls-Royce applications.