Dorman 527-093 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

OE-Style Front Left Lower Forward Control Arm

Dorman 527-093 is a direct replacement suspension control arm and ball joint assembly for specific BMW applications. It is built for the front left lower forward position and engineered to restore smooth ride quality, directional stability, and predictable handling on the road.

Compatible with 2016-2022 BMW 750i xDrive, 2017-2022 BMW 740i xDrive, and other listed 7 Series and 5 Series xDrive applications, this assembly is a practical OE-style solution for worn front suspension components. The Dorman 527-093 part number is also a direct cross-reference for OE-style replacement needs.

• Direct replacement for the original equipment suspension control arm and ball joint assembly
• Pre-greased for ready-to-install service
• Ball joint included and installed
• Steel control arm construction with casting/forged design
• Rubber and steel bushings included
• Black finish
• Standard replacement grade for factory-style fit and function
• Mounting hardware included

Detailed Product Overview

This suspension control arm assembly is built for the front left lower forward location and uses a machined ball joint mounting type with a threaded ball joint stud. The assembly includes a 16 mm ball joint thread diameter, a 42 mm ball joint stud length, and a 14.8 mm mounting hole diameter. Dorman 527-093 is intended to replace the original part on select BMW 740i xDrive, 745e xDrive, 745Le xDrive, 750i xDrive, 750Li xDrive, M760i xDrive, M760Li xDrive, 640i xDrive Gran Turismo, 740e xDrive, M550i xDrive, and 740Le xDrive models.

This part cross-references MOOG Chassis Products RK623012 for the same application.

What It Helps Address

• Front-end looseness from a worn control arm or ball joint
• Clunking or knocking noises from the front suspension
• Uneven tire wear caused by suspension play
• Steering wander or reduced directional stability
• Ride quality changes from deteriorated bushings

Installation Notes and Tips

Install on the front left lower forward position only for the listed BMW applications. Verify suspension orientation, mounting hole size, and ball joint thread specifications before installation. Because the assembly is pre-greased and includes the ball joint, it is ready for service once the mounting points are prepared and aligned to factory specifications. A professional alignment is recommended after replacement.

Quality Assurance

Dorman uses an industry-focused evaluation process for this replacement assembly to help maintain smooth ride characteristics, directional stability, and predictable suspension response. The part is built as a standard replacement for OE-style fitment on the specified BMW models.