Bilstein B4 Series Air Shock and Strut Bilstein for 17 20 Alfa Romeo Giulia B4 OE Replacement Suspension Strut BILSTEIN B4 SHOCKS Strut Mounts Boots KIT BMW F10 F11 528i 530i 535i Genuine Bilstein B4 OE Replacement Suspension Strut Assembly 22 BILSTEIN B4 OE REPLACEMENT Strut Assembly 22 044204 BMW E36 325i E90 Bilstein B4 OE Replacement Suspension Strut Assembly Front Left 22. Bilstein B4 OE Replacement Dampers for the 2019 2024 BMW Z4 are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These Dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality. Standard Features High power reserves for maximum safety Restores original driving comfort, handling and safety High OE quality Specifications Part Number 22 304438 Part Name Strut Assembly Vehicle 2019 2024 BMW Z4 UPC 651860868998 Boot Included No Finish Black Paint Internal Design Twintube Lower Mount Type Base Cup Position Front Left Segment Spare Parts Series B4 OE Replacement Spring Seat Included Yes Fixed Upper Mount Type Stem Notes Standard Suspension without Electronic Suspension Vehicle Fitment 2019 BMW Z4 2020 BMW Z4 2021 BMW Z4 2022 BMW Z4 2023 BMW Z4 2024 BMW Z4