URO 31121127725 Suspension Control Arm - Front Left Lower

BMW E30 Front Left Lower Control Arm

This URO suspension control arm is a direct-fit replacement for the front left lower position on select BMW 3 Series and M3 models. It is built to restore suspension geometry, steering response, and braking stability on vehicles that need a precise OE-style front end repair.

• Fits the front left lower suspension position
• Manufactured to OE control arm geometry for correct wheel alignment and directional control
• High-strength alloy metal construction for durability
• Heat- and ozone-resistant boot material protects the ball joint where applicable
• Guaranteed fitment for the listed BMW applications
• 24 Month Unlimited Mileage Warranty

Detailed Application and Function

Part number 31121127725 is a suspension control arm for BMW E30 chassis applications, including 1984-1993 BMW 325e, 325es, 325i, 325is, 318i, 318is, and M3 models in the front left lower position. This part cross-references Beck/Arnley 102-4063 and VAICO V20-7020-1 for the same application. It is engineered to match OE control arm geometry so the wheel can track correctly, helping maintain alignment and stable handling on the road.

What This Part Helps Correct

• Front-end looseness or wandering during driving
• Poor steering return or directional control
• Uneven tire wear caused by suspension geometry issues
• Clunking or play from a worn lower control arm assembly
• Reduced braking stability from worn front suspension components

Installation Notes

Verify the vehicle’s production date and front left lower application before installation, especially on BMW M3 models with date-specific fitment notes. Inspect related suspension components, alignment settings, and ball joint condition during service. After installation, a professional wheel alignment is recommended to confirm correct suspension geometry.

Quality Assurance

URO backs this control arm with a 24 month unlimited mileage warranty. The part is manufactured for the listed BMW fitments and built to support consistent suspension performance in daily driving and service repair applications.