Bilstein B4 OE Replacement Suspension Shock Absorber for 2021 BMW M440i xDrive notrack contributing to better handling and

contributing to better handling and performance

Drivers looking for a customizable suspension setup for spirited driving

This strut cartridge is designed as a direct replacement for the original equipment

the Akrapovic Rear Carbon Fiber Diffuser is the ultimate choice

Designed for easy installation with professional fitting recommended

Bilstein B4 OE Replacement Suspension Shock Absorber for 2021 BMW M440i xDrive notrack contributing to better handling andBilstein B4 OE Replacement Suspension Shock Absorber 2021 BMW M440i xDrive Part #: 19 323305 Overview The Bilstein B4 OE Replacement Shock Absorbers are designed specifically for the 2021 BMW M440i xDrive, offering a perfect balance of performance, comfort, and reliability. Engineered to meet or exceed OE standards, these dampers restore your vehicle's original handling characteristics while maintaining the factory ride quality you expect from BMW.