Bilstein 17 21 BMW 530i B4 OE Replacement Shock Absorber Front Right Buy ESP32 WROOM 32D Wifi Bluetooth Development Module with Affordable. Bilstein B4 OE Replacement dampers 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. Material Safety Data Sheet Warranty Installation Instructions Material Safety Data Sheet Installation Instructions Warranty Restores original driving comfort, handling and safety Added Benefit Of World Famous Bilstein Quality High power reserves for maximum safety High OE quality This Part Fits: Year Make Model Submodel 2017 2023 BMW 530i Base 2017 2023 BMW 540i Base