URO 31126758519PRM Suspension Control Arm - Front Left Lower

Front Left Lower Control Arm Upgrade

This URO Premium front left lower suspension control arm is built for BMW applications that need a durable OE-style replacement with serviceable ball joints. Part number 31126758519PRM uses replaceable full-metal ball joints instead of the rubber-insulated OE style, helping reduce repeat failures and making future service easier.

It is a direct-fit solution for BMW 3 Series and Z4 models listed below, including 1999-2008 BMW 323i, 325i, 328i, 330i, 325Ci, 330Ci, 323Ci, 328Ci, and 2003-2008 BMW Z4 front left lower applications.

• Replaceable full-metal ball joints for easier future service
• High-strength alloy metal construction for durability
• Manufactured to OE control arm geometry for alignment and directional control
• Pre-greased with a sealed neoprene dust boot
• Ball joint included; bolt-in mounting type
• Guaranteed fitment for listed BMW applications
• Limited Lifetime / Unlimited Mileage Warranty

Product Details and Fitment

URO Premium re-engineers failure-prone suspension parts with stronger materials and updated construction. This 31126758519PRM control arm is made for the front left lower position and is listed for 1999-2008 BMW 323i, 328i, 323Ci, 328Ci, 325i, 330i, 325Ci, 330Ci, and Z4 models, with notes for 325i and 330i applications without sport suspension. It restores proper suspension handling and braking stability while maintaining OE-style wheel alignment characteristics.

This part cross-references MOOG Chassis Products RK80527 for the same application.

What It Helps Fix

• Front-end looseness or wandering caused by worn control arm joints
• Clunking or knocking from a failing lower ball joint
• Uneven tire wear related to suspension geometry issues
• Reduced braking stability from worn front suspension components
• Alignment problems after ball joint or control arm wear

Installation Notes

Fits 2003-2008 BMW Z4, front left lower; 2001-2006 BMW 325Ci, front left lower; 2001-2006 BMW 330Ci, front left lower; 2001-2006 BMW 330i, front left lower; 2001-2005 BMW 325i, front left lower; 2000 BMW 323Ci, front left lower; 2000 BMW 323i, front left lower; 2000 BMW 328Ci, front left lower; 2000 BMW 328i, front left lower; 1999 BMW 323i, front left lower; 1999 BMW 328i, front left lower.

For 1999 BMW 323i, control arm bushings must be replaced due to a diameter change up to production 7/99. For 1999 BMW 328i, fitment applies up to production 7/99. Verify suspension configuration before installation, especially on 325i and 330i models without sport suspension. Standard tools are sufficient for ball joint replacement.

Quality Assurance

URO Premium parts are re-engineered to address common failure points with more robust materials and updated design. Part number 31126758519PRM includes a Limited Lifetime / Unlimited Mileage Warranty and is backed by guaranteed fitment for the listed BMW applications.