{"product_id":"bilstein-20-303334-suspension-shock-absorber-rear","title":"Bilstein 20-303334 Suspension Shock Absorber - Rear","description":"\u003ch2\u003eBilstein B4 OE Replacement Shock Absorber Overview\u003c\/h2\u003e\u003cp\u003eThe Bilstein shock absorber part number 20-303334 is engineered for precise suspension performance on select BMW models. Designed to restore original ride comfort and handling, this monotube shock absorber is a direct replacement for vehicles equipped with DampTronic suspension systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMonotube internal design for consistent damping\u003c\/li\u003e\n\u003cli\u003eBlack paint finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eCollapsed length: 14.46 inches (367.2 mm)\u003c\/li\u003e\n\u003cli\u003eExtended length: 20.99 inches (533.2 mm)\u003c\/li\u003e\n\u003cli\u003eUpper mount type: Stem\u003c\/li\u003e\n\u003cli\u003eLower mount type: Eye 12.1 mm\u003c\/li\u003e\n\u003cli\u003eBoot and spring seat not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the B4 OE Replacement (DampTronic) Product Line\u003c\/h2\u003e\u003cp\u003eThe B4 OE Replacement (DampTronic) series by Bilstein is designed to meet original equipment specifications for vehicles with electronically controlled suspension systems. This product line ensures compatibility with DampTronic technology, providing reliable damping performance and restoring factory ride quality. Part number 20-303334 is part of this series, tailored for BMW models requiring precise shock absorber replacement without altering suspension dynamics.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Bilstein shock absorber features a monotube internal design, which offers improved heat dissipation and consistent damping characteristics compared to twin-tube designs. The black paint finish protects the shock from corrosion, extending service life. With a collapsed length of 14.46 inches (367.2 mm) and an extended length of 20.99 inches (533.2 mm), it fits the specified BMW models accurately. The upper stem mount and lower eye mount (12.1 mm) ensure proper installation and secure fitment. Note that this shock absorber does not include a boot or spring seat, so these components should be reused or replaced separately if needed.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 330e and 330e xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 330i and 330i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 430i, 430i xDrive, and 430i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW M440i Gran Coupe and M440i xDrive Gran Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis shock absorber is ideal for addressing issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReduced ride comfort due to worn shocks\u003c\/li\u003e\n\u003cli\u003eDecreased vehicle stability and handling performance\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by suspension inconsistencies\u003c\/li\u003e\n\u003cli\u003eExcessive body roll or bounce during driving\u003c\/li\u003e\n\u003cli\u003eNoise or leaks from damaged shock absorbers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing Bilstein shock absorber 20-303334, ensure the vehicle is securely lifted and supported. Verify that the upper stem and lower eye mounts align correctly with the vehicle’s suspension points. Since the boot and spring seat are not included, inspect these components for wear and replace if necessary. Proper torque specifications should be followed to maintain suspension integrity and safety.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eBilstein shock absorbers are manufactured to meet strict quality standards, ensuring durability and consistent performance. This part is designed as a direct OE replacement, maintaining the original suspension characteristics of your BMW. Please refer to Bilstein’s official warranty policy for coverage details related to part number 20-303334.\u003c\/p\u003e","brand":"Bilstein","offers":[{"title":"Default Title","offer_id":52217232064693,"sku":"BBGL-20-303334","price":413.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/B5_20303334_Fro.jpg?v=1775603872","url":"https:\/\/www.partcatalog.com\/products\/bilstein-20-303334-suspension-shock-absorber-rear","provider":"PartCatalog","version":"1.0","type":"link"}