{"product_id":"bilstein-36-129171-coil-spring-front","title":"Bilstein 36-129171 Coil Spring - Front","description":"\u003ch2\u003eReliable Coil Spring Replacement for BMW 5 Series\u003c\/h2\u003e\u003cp\u003eThe Bilstein B3 OE Replacement Coil Spring 36-129171 offers a durable and precise suspension component designed specifically for BMW 525i, 528i, 530i, and 540i models. Engineered to restore original ride height and handling characteristics, this coil spring features a black powder coat finish for enhanced corrosion resistance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlack powder coat finish for corrosion protection\u003c\/li\u003e\n\u003cli\u003ePart of the B3 OE Replacement series for direct fit\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 525i, 528i, 530i, and 540i models\u003c\/li\u003e\n\u003cli\u003eDesigned to maintain factory ride height and suspension performance\u003c\/li\u003e\n\u003cli\u003eDurable coil spring construction for long-lasting use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Bilstein B3 OE Replacement Series\u003c\/h2\u003e\u003cp\u003eThe B3 OE Replacement line by Bilstein focuses on providing suspension components that meet original equipment specifications. This series is engineered to offer a direct replacement for worn or damaged parts without altering the vehicle's factory suspension dynamics. The 36-129171 coil spring is part of this series, ensuring compatibility and performance consistent with BMW's original design.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Bilstein 36-129171 coil spring is finished with a black powder coat that protects against rust and environmental wear. It is designed to fit select BMW 5 Series models, including the 525i, 528i, 530i, and 540i, providing a reliable suspension component that maintains the vehicle's original ride height and handling characteristics. This coil spring is engineered to meet OE standards, ensuring proper fitment and function within the suspension system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores sagging or worn suspension springs\u003c\/li\u003e\n\u003cli\u003eCorrects uneven ride height issues\u003c\/li\u003e\n\u003cli\u003eImproves handling stability and comfort\u003c\/li\u003e\n\u003cli\u003eReplaces corroded or damaged coil springs\u003c\/li\u003e\n\u003cli\u003eMaintains factory suspension geometry for BMW 525i, 528i, 530i, and 540i\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Bilstein 36-129171 coil spring should be performed by a qualified technician familiar with BMW suspension systems. Proper tools and safety precautions are necessary when compressing and replacing coil springs. Verify vehicle compatibility before installation to ensure correct fitment with BMW 525i, 528i, 530i, and 540i models.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBilstein manufactures the 36-129171 coil spring to meet stringent quality standards consistent with OE specifications. The black powder coat finish enhances durability and corrosion resistance. Please refer to Bilstein's official warranty policy for detailed coverage information.\u003c\/p\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":51955981320373,"sku":"BBGL-36-129171","price":79.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/B5_36129171_Fro.jpg?v=1775061880","url":"https:\/\/www.partcatalog.com\/products\/bilstein-36-129171-coil-spring-front","provider":"PartCatalog","version":"1.0","type":"link"}