Moog RK641509 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

BMW Front Left Lower Forward Control Arm

The Moog RK641509 is a suspension control arm and ball joint assembly for select BMW applications, including 528i, 535i, 535d, 550i, ActiveHybrid 5, 640i, and 650i models. It is built with a forged aluminum arm, pre-greased components, and corrosion-focused construction for front suspension service.

Key Features

• Forged aluminum control arm for structural strength
• Pre-greased assembly for immediate service readiness
• Rubber bushings included for suspension isolation
• Press-in ball joint with threaded stud design
• Mounting hardware included
• Gray finish with corrosion protection focus
• Non-adjustable front left lower forward suspension arm

Detailed Product Overview

Moog RK641509 is a front left lower forward suspension control arm and ball joint assembly engineered for BMW nameplates where precise front-end geometry matters. The forged aluminum construction helps maintain strength while keeping the assembly appropriate for modern suspension layouts, and the included rubber bushings support controlled movement at the mounting points. This part cross-references Delphi TC2821 and Dorman OE Solutions 522-885 for the same application. For shoppers searching for a BMW 528i front left lower forward control arm, BMW 535i suspension control arm and ball joint assembly, or BMW 640i Gran Coupe front suspension arm replacement, RK641509 is the direct part number to reference.

Vehicle Fitment

• Fits 2013-2019 BMW 640i Gran Coupe, Front Left Lower Forward
• Fits 2013-2019 BMW 650i Gran Coupe, Front Left Lower Forward
• Fits 2012-2018 BMW 640i, Front Left Lower Forward
• Fits 2012-2018 BMW 650i, Front Left Lower Forward
• Fits 2011-2016 BMW 528i, Front Left Lower Forward
• Fits 2014-2016 BMW 535d, Front Left Lower Forward
• Fits 2016 BMW 535i, Front Left Lower Forward
• Fits 2011-2014 BMW 535i, Front Left Lower Forward
• Fits 2011-2016 BMW 550i, Front Left Lower Forward
• Fits 2012-2016 BMW ActiveHybrid 5, Front Left Lower Forward

Common Repair Uses

• Front suspension looseness or play at the lower control arm
• Clunking or knocking from the front left suspension
• Uneven tire wear caused by worn suspension joints or bushings
• Steering instability or wandering during road use
• Restoring proper front suspension alignment after wear-related failure

Installation Notes

Verify the vehicle’s year, model, and front left lower forward position before installation. Because this assembly uses a press-in ball joint and includes mounting hardware, inspect the surrounding suspension components, fasteners, and alignment settings during replacement. A professional wheel alignment is recommended after installation on BMW 528i, 535i, 550i, 640i, and related applications.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection for foreign and domestic nameplates. RK641509 is built as a direct-fit suspension service part for the listed BMW applications and is identified by part number RK641509 for ordering and cross-reference verification.