Mevotech CMS101578 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

BMW Front Left Lower Forward Control Arm

Mevotech CMS101578 is a suspension control arm and ball joint assembly for the front left lower forward position on select BMW X5, X6, X7, and Alpina XB7 models. Built with a steel arm, pre-greased ball joint, rubber bushings, and a rubber dust boot, it is made for direct replacement service on high-use passenger and SUV applications.

Key Features

• Pre-greased ball joint for ready-to-install service
• Steel control arm construction with black finish
• Rubber bushings and rubber dust boot included
• Threaded ball joint stud design
• Mounting hardware and locking nut included
• Non-adjustable OE-style replacement for the front left lower forward position

Product Details

Mevotech Supreme Parts are engineered in-house with application-specific upgrades for durability and performance. CMS101578 is built for BMW X5, BMW X6, BMW X7, and BMW Alpina XB7 front suspension service, with corrosion-resistant construction and hardware included for the listed applications. This part cross-references MOOG Chassis Products RK623974 for the same application.

Part number CMS101578 is a direct-fit suspension control arm and ball joint assembly for vehicles that need a replacement front left lower forward arm with integrated ball joint support. The assembly uses steel for strength, rubber for the bushings and boot, and a threaded stud ball joint design for secure installation.

Vehicle Fitment

• Fits 2021-2025 BMW Alpina XB7, front left lower forward.
• Fits 2019-2025 BMW X5, front left lower forward.
• Fits 2020-2025 BMW X6, front left lower forward.
• Fits 2019-2025 BMW X7, front left lower forward.

Common Repair Uses

• Replacing a worn or noisy front lower control arm
• Restoring steering response after ball joint wear
• Addressing clunking or looseness in the front suspension
• Correcting uneven tire wear linked to suspension play
• Repairing corrosion-damaged suspension components

Installation Notes

Install CMS101578 in the front left lower forward position only for the listed BMW applications. Verify alignment after replacement, and inspect adjacent suspension components for wear before completing the repair. The pre-greased ball joint and included hardware support a more efficient installation process.

Quality Assurance

Mevotech Supreme control arms are engineered for commercial and passenger vehicle use, including SUVs, fleets, and working trucks. CMS101578 is built with application-specific upgrades and corrosion-resistant construction to support long-term suspension service on the listed BMW models.