{"product_id":"bilstein-21-030246-suspension-strut-cartridge-front","title":"Bilstein 21-030246 Suspension Strut Cartridge - Front","description":"\u003ch2\u003eBilstein B4 OE Replacement Suspension Strut Cartridge Overview\u003c\/h2\u003e\u003cp\u003eThe Bilstein B4 OE Replacement Suspension Strut Cartridge 21-030246 is engineered to restore the original ride quality and handling characteristics of your BMW 525i or 535i. Designed as a direct replacement, this suspension strut cartridge offers reliable performance with a focus on durability and consistent damping.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OE replacement for BMW 525i and 535i models\u003c\/li\u003e\n\u003cli\u003eTwintube internal design for balanced ride comfort and control\u003c\/li\u003e\n\u003cli\u003eBlack paint finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eBase cup lower mount and stem upper mount for precise fitment\u003c\/li\u003e\n\u003cli\u003ePart number 21-030246 ensures exact match to original equipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Bilstein shock absorber features a twintube internal design, which provides a smooth and controlled damping experience suitable for daily driving conditions. The black paint finish offers protection against corrosion, extending the service life of the strut cartridge. The lower mount uses a base cup design, while the upper mount is a stem type, matching the original equipment specifications for BMW 525i and 535i models. This ensures straightforward installation and proper alignment with your vehicle's suspension system.\u003c\/p\u003e\u003ch2\u003eAbout the B4 OE Replacement Product Line\u003c\/h2\u003e\u003cp\u003eThe B4 OE Replacement line from Bilstein is developed to meet or exceed original equipment standards. This product line focuses on restoring the factory ride and handling characteristics without altering the vehicle’s suspension geometry. The B4 series is ideal for drivers seeking a reliable and durable replacement that maintains the original driving experience of their BMW 525i or 535i.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores original ride comfort and handling performance\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking suspension strut cartridges\u003c\/li\u003e\n\u003cli\u003eEliminates excessive bouncing or poor damping response\u003c\/li\u003e\n\u003cli\u003eAddresses uneven tire wear caused by faulty struts\u003c\/li\u003e\n\u003cli\u003eImproves vehicle stability and control during cornering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Bilstein 21-030246 suspension strut cartridge, ensure compatibility with your BMW 525i or 535i model year. The base cup lower mount and stem upper mount require proper alignment to avoid premature wear. It is recommended to inspect related suspension components during installation and replace any worn parts to maintain optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBilstein manufactures the B4 OE Replacement suspension strut cartridges to meet strict quality standards. While specific warranty details are not provided here, Bilstein products typically come with a limited warranty covering defects in materials and workmanship. Refer to official Bilstein documentation for exact warranty terms related to part number 21-030246.\u003c\/p\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":52140724158645,"sku":"BBGL-21-030246","price":107.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/B5_21030246_Fro.jpg?v=1775232849","url":"https:\/\/www.partcatalog.com\/products\/bilstein-21-030246-suspension-strut-cartridge-front","provider":"PartCatalog","version":"1.0","type":"link"}