Moog RK643531 Suspension Control Arm - Rear Lower

Moog RK643531 Rear Lower Control Arm

The Moog RK643531 is a premium rear lower suspension control arm for select BMW applications. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for worn rear suspension components on BMW 1 Series, 3 Series, M3, and X1 models.

Key Features

• Premium-grade suspension control arm for rear lower placement
• Built for structural strength in demanding road conditions
• Corrosion-resistant construction for long-term durability
• Direct replacement for select BMW rear suspension applications
• Moog RK643531 fitment covers multiple BMW chassis platforms

Detailed Description

Moog RK643531 is a premium rear lower control arm designed for foreign and domestic nameplates, with fitment focused here on BMW rear suspension service. This part supports precise rear suspension geometry on vehicles such as the BMW 128i, 135i, 328i, 335i, M3, and X1. If you are replacing a worn rear lower control arm on a 2006-2015 BMW application, this component provides a service-ready OE-style solution. This part cross-references Dorman - OE Solutions 524-207 for the same application.

Vehicle Fitment

• Fits 2013-2015 BMW X1, rear lower.
• Fits 2008-2013 BMW 128i, rear lower.
• Fits 2008-2013 BMW 135i, rear lower.
• Fits 2013 BMW 135is, rear lower.
• Fits 2007-2013 BMW 328i, rear lower.
• Fits 2009-2013 BMW 328i xDrive, rear lower.
• Fits 2007-2013 BMW 335i, rear lower.
• Fits 2009-2013 BMW 335i xDrive, rear lower.
• Fits 2011-2013 BMW 335is, rear lower.
• Fits 2008-2013 BMW M3, rear lower.
• Fits 2011 BMW 1 Series M, rear lower.
• Fits 2009-2011 BMW 335d, rear lower.
• Fits 2007-2008 BMW 328xi, rear lower.
• Fits 2007-2008 BMW 335xi, rear lower.
• Fits 2006 BMW 325i, rear lower.
• Fits 2006 BMW 325xi, rear lower.
• Fits 2006 BMW 330i, rear lower.
• Fits 2006 BMW 330xi, rear lower.

Common Replacement Reasons

• Rear suspension clunking or knocking over bumps
• Excessive play in the rear suspension
• Uneven tire wear caused by worn control arm bushings or joints
• Imprecise rear-end handling or alignment issues
• Corrosion-related failure in the original control arm

Installation Notes and Tips

Verify rear lower position and vehicle trim before ordering, since BMW chassis and xDrive variants can differ by application. After installation, a professional wheel alignment is recommended to restore correct suspension geometry. Confirm all mounting points and surrounding suspension components are in serviceable condition before final assembly.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, supporting dependable service on BMW rear suspension repairs. The RK643531 is built as a premium replacement part for the listed applications.