{"product_id":"bilstein-22-221490-suspension-strut-assembly-front","title":"Bilstein 22-221490 Suspension Strut Assembly - Front","description":"\u003ch2\u003eBilstein B4 OE Replacement Suspension Strut Assembly Overview\u003c\/h2\u003e\u003cp\u003eThe Bilstein shock absorbers part number 22-221490 is designed specifically for BMW 645Ci and 650i models. This suspension strut assembly offers a direct OE replacement solution, engineered to restore your vehicle's original ride comfort and handling characteristics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Bilstein\u003c\/li\u003e\n\u003cli\u003eBrand Line: B4 OE Replacement\u003c\/li\u003e\n\u003cli\u003ePart Number: 22-221490\u003c\/li\u003e\n\u003cli\u003eCategory: Suspension \u0026gt; Shocks and Struts\u003c\/li\u003e\n\u003cli\u003ePart Type: Suspension Strut Assembly\u003c\/li\u003e\n\u003cli\u003eInternal Design: Twintube\u003c\/li\u003e\n\u003cli\u003eFinish: Black paint\u003c\/li\u003e\n\u003cli\u003eLower Mount Type: Base cup\u003c\/li\u003e\n\u003cli\u003eUpper Mount Type: Stem\u003c\/li\u003e\n\u003cli\u003eBoot Included: No\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the B4 OE Replacement Product Line\u003c\/h2\u003e\u003cp\u003eThe B4 OE Replacement line from Bilstein is engineered to meet or exceed original equipment specifications. This product line focuses on providing reliable, direct-fit suspension components that maintain the factory ride quality and handling balance. The B4 series is ideal for drivers seeking to replace worn or damaged struts on their BMW 645Ci or 650i without altering the vehicle’s original suspension dynamics.\u003c\/p\u003e\u003ch2\u003eProduct Features and Technical Details\u003c\/h2\u003e\u003cp\u003eThis Bilstein suspension strut assembly features a twintube internal design, which is common in OE applications and provides consistent damping performance. The black paint finish offers corrosion resistance and a clean appearance. The lower mount uses a base cup design, while the upper mount is a stem type, ensuring compatibility with the original mounting points on your BMW 645Ci and 650i. Note that this assembly does not include a boot.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores factory ride comfort and handling on BMW 645Ci and 650i models\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking suspension struts causing poor vehicle stability\u003c\/li\u003e\n\u003cli\u003eEliminates excessive body roll and uneven tire wear\u003c\/li\u003e\n\u003cli\u003eAddresses noise or vibration issues related to damaged strut assemblies\u003c\/li\u003e\n\u003cli\u003eImproves braking performance by maintaining proper suspension geometry\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Bilstein 22-221490 suspension strut assembly should be performed by a qualified technician familiar with BMW suspension systems. Ensure all mounting points, including the base cup lower mount and stem upper mount, are properly aligned and torqued to manufacturer specifications. Since the boot is not included, inspect the existing boot and replace if necessary to protect the strut shaft from debris and extend service life.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBilstein manufactures the 22-221490 suspension strut assembly to meet OE standards, ensuring durability and consistent performance. The B4 OE Replacement line is backed by Bilstein’s quality control processes. Please refer to Bilstein’s official warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":51955856081077,"sku":"BBGL-22-221490","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/B5_22221490_Fro.jpg?v=1775061614","url":"https:\/\/www.partcatalog.com\/products\/bilstein-22-221490-suspension-strut-assembly-front","provider":"PartCatalog","version":"1.0","type":"link"}