Bilstein B4 OE Replacement Suspension Shock Absorber for 2021 BMW M440i xDrive notrack Drivers looking for a customizable

Drivers looking for a customizable suspension setup for spirited driving

supporting better throttle response and increased power output

Designed for easy installation with professional fitting recommended

These splitters are intended to fit a variety of front lips on the F8X series

Bilstein's proprietary gas-pressure technology provides excellent ride comfort and handling response

Bilstein B4 OE Replacement Suspension Shock Absorber for 2021 BMW M440i xDrive notrack Drivers looking for a customizableBilstein 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.