Enhance your BMW's handling and ride quality with this genuine OEM rear coil spring, part number 6883334. Specifically designed for the 2017-2020 BMW 430i and 440i, this factory-original part replaces worn or damaged springs, ensuring optimal performance and vehicle stability. Engineered for the rear left or right placement, this coil spring supports the vehicle's suspension system, providing necessary support and flexibility during driving. By restoring your suspension's integrity, it resolves issues related to a rough ride or poor handling. Trust this authentic part to seamlessly integrate with your BMW, maintaining your vehicle's factory performance standards.