Dorman 527-073 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

Dorman 527-073 Control Arm Assembly

Dorman 527-073 is a direct replacement suspension control arm and ball joint assembly for select BMW applications. It is built for the front left lower forward position on 2014-2018 BMW X5 models with electric steering and 2015-2019 BMW X6 models, helping restore steering response, ride control, and stable suspension geometry.

• Direct replacement for the original equipment control arm and ball joint assembly
• Fits 2014-2018 BMW X5, front left lower forward, w/electric steering
• Fits 2015-2019 BMW X6, front left lower forward, sell until depleted
• Pre-greased for immediate service
• Ball joint included and installed
• Steel control arm construction with casting/forged design
• Rubber and steel bushings included
• Black finish
• Standard replacement grade

This Dorman 527-073 assembly is engineered as an OE-style suspension replacement for BMW X5 and BMW X6 front suspension service. The machined ball joint mounting, threaded stud, 14 mm ball joint thread diameter, and included mounting hardware support a precise fit in the specified front left lower forward location. It cross-references MOOG Chassis Products RK623279 for the same application.

Common Repair Uses

• Front-end clunking or looseness from a worn control arm or ball joint
• Uneven tire wear caused by suspension geometry issues
• Steering wander or reduced directional stability
• Excessive play in the front left lower forward suspension position
• Restoring factory-like ride control on BMW X5 and BMW X6 models

Installation Notes and Tips

Verify vehicle year, model, and steering configuration before installation. This part is specified for the front left lower forward position only, so match the original suspension layout before ordering. After installation, perform a professional wheel alignment to confirm proper suspension angles and steering tracking.

Quality Assurance

Dorman uses an industry-leading evaluation process for this control arm and ball joint assembly to support smooth ride quality, directional stability, and predictable suspension behavior. The part is built as a standard replacement for the original equipment design on the listed BMW X5 and BMW X6 applications.