{"title":"BMW Z4","description":"\u003cp data-start=\"13\" data-end=\"388\"\u003eRiaction coilovers for the BMW Z4 provide precise control over ride height and damping, allowing you to fine-tune suspension performance for both open-top cruising and more spirited driving. These performance shocks are designed to improve chassis stability and reduce excess movement, helping the Z4 feel more composed and controlled through a variety of driving conditions.\u003c\/p\u003e\n\u003cp data-start=\"390\" data-end=\"688\"\u003eWith a lower center of gravity and improved balance, the Z4 benefits from sharper handling and more consistent grip through corners. The suspension delivers smoother transitions and a more connected feel, creating a driving experience that feels responsive, confident, and enjoyable on every drive.\u003c\/p\u003e","products":[{"product_id":"bmw-z4-e85","title":"BMW Z4 E85","description":"\u003cp class=\"\"\u003e\u003cspan style=\"color: rgb(230, 230, 230);\"\u003e\u003cstrong\u003eFits:\u003cbr\u003e2003 BMW Z4 E85 - 2008 BMW Z4 E85\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"\"\u003eRiaction BMW Z4 coilover kits are designed for street cars which are looking for lower ride height, better handling, and greater comfort. Each set of Riaction Performance Shocks BMW Z4 coilovers are made from high quality materials with precision design, to ensure a reliable and durable product that performs. We proudly stand by all of our products, and each Riaction Performance Shocks BMW z4 E85 coilover kit comes with a standard 2 year factory warranty against any factory defects.\u003c\/p\u003e\n\u003cp class=\"\"\u003eCOILOVER FEATURES\u003cbr\u003e-Full Length Ride Height Adjustment\u003cbr\u003e-32 Damping Adjustment Levels\u003cbr\u003e-Mono-Tube Damper Design\u003cbr\u003e-Seamless 52mm Electroplated Carbon Steel Shock Body\u003cbr\u003e-O.D. 20mm Piston Rod For McPherson Suspension\u003cbr\u003e-O.D. 14mm Piston Rod For Non-McPherson Suspension\u003cbr\u003e-Unique 44mm High-Flow CNC 6061 Aluminum Piston\u003cbr\u003e-Unique Thinned CNC 6061 Aluminum Floating Piston\u003cbr\u003e-Polyurethane Oil Seal\u003cbr\u003e-SAE9254 Cold-Wound Spring\u003cbr\u003e-Multi-Thickness Valving Shims\u003cbr\u003e-Unique Low-Gas Pressure Design\u003cbr\u003e-7.5w Compounded Suspension Fluid\u003cbr\u003e-Fully Rebuild-able-Wound Spring\u003cbr\u003e-Multi-Thickness Valving Shims\u003cbr\u003e-Unique Low-Gas Pressure Design\u003cbr\u003e-7.5w Compounded Suspension Fluid\u003cbr\u003e-Fully Rebuild-able\u003c\/p\u003e\n\u003cp class=\"\"\u003e*For all International orders please give us an email at info@riactionshocks.com\u003c\/p\u003e","brand":"Riaction Performance Shocks","offers":[{"title":"Default Title","offer_id":49445756731668,"sku":"BM-013-LT","price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/3833\/7812\/files\/BMW_Z4_E85_Coilovers_-_Riaction_Performance_Shocks-3593491.png?v=1776394380"},{"product_id":"2003-2008-bmw-z4-e85-traction-plus-ultra-coilovers","title":"2003-2008 BMW Z4 E85 Traction Plus Ultra Coilovers","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eFine-tune the handling, balance, and driving dynamics of your \u003cstrong\u003e2003-2008 BMW Z4 E85\u003c\/strong\u003e with \u003cstrong\u003eRiaction Traction Plus Ultra Coilovers\u003c\/strong\u003e. Developed specifically for enthusiasts seeking greater chassis precision, \u003cstrong\u003eTraction Plus Ultra\u003c\/strong\u003e combines advanced digressive damping technology with extensive adjustability to deliver exceptional control on the street, during spirited canyon drives, and on the race track.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBuilt around our latest \u003cstrong\u003edigressive piston valving\u003c\/strong\u003e, \u003cstrong\u003eBMW Z4 E85 Traction Plus Ultra Coilovers\u003c\/strong\u003e provide firm low-speed damping to reduce body roll, sharpen steering response, and improve braking stability while allowing the suspension to remain composed over uneven pavement and high-speed impacts. The result is a more predictable chassis, improved cornering confidence, and consistent grip through every transition.\u003c\/p\u003e\n\u003cp\u003eEvery \u003cstrong\u003eTraction Plus Ultra coilover system\u003c\/strong\u003e is constructed using premium materials for long-term durability. Nickel-coated shock bodies provide outstanding corrosion resistance, while the hex screw preload collar locking system securely maintains spring preload during repeated high-load driving. Signature orange-coated non-MacPherson components add protection and a distinctive appearance, and pillowball upper mounts are included where applicable to maximize steering precision and suspension articulation.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003e32 levels of damping adjustment\u003c\/strong\u003e and \u003cstrong\u003eindependent full-length ride height adjustment\u003c\/strong\u003e, drivers can precisely tailor suspension response without affecting spring preload. Whether you're building a balanced street car, preparing for autocross competition, or refining a dedicated track setup, \u003cstrong\u003eRiaction Traction Plus Ultra Coilovers for the BMW Z4 E85\u003c\/strong\u003e deliver the performance, consistency, and confidence serious enthusiasts expect.\u003c\/p\u003e\n\u003cp\u003eEvery \u003cstrong\u003eTraction Plus Ultra\u003c\/strong\u003e system is backed by our \u003cstrong\u003e2-year factory warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🔧 Traction Plus Ultra Coilover Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2003-2008 BMW Z4 E85\u003c\/li\u003e\n\u003cli\u003eFull-Length Ride Height Adjustment\u003c\/li\u003e\n\u003cli\u003e32-Level Damping Adjustment\u003c\/li\u003e\n\u003cli\u003eDigressive Piston Valving\u003c\/li\u003e\n\u003cli\u003eMono-Tube Damper Design\u003c\/li\u003e\n\u003cli\u003eNickel-Coated Shock Bodies for Superior Corrosion Resistance\u003c\/li\u003e\n\u003cli\u003eHex Screw Preload Collar Locking System\u003c\/li\u003e\n\u003cli\u003eSignature Orange Coating on Non-MacPherson Components\u003c\/li\u003e\n\u003cli\u003ePillowball Upper Mounts (Where Applicable)\u003c\/li\u003e\n\u003cli\u003e44mm High-Flow CNC 6061 Aluminum Piston\u003c\/li\u003e\n\u003cli\u003eCNC 6061 Aluminum Floating Piston\u003c\/li\u003e\n\u003cli\u003ePolyurethane Oil Seals\u003c\/li\u003e\n\u003cli\u003eSAE9254 Cold-Wound Performance Springs\u003c\/li\u003e\n\u003cli\u003eMulti-Thickness Valving Shim Stack\u003c\/li\u003e\n\u003cli\u003eLow Gas Pressure Internal Design\u003c\/li\u003e\n\u003cli\u003ePremium 7.5W Compounded Suspension Fluid\u003c\/li\u003e\n\u003cli\u003eFully Rebuildable Coilover Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose BMW Z4 E85 Traction Plus Ultra Coilovers?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBMW Z4 E85\u003c\/strong\u003e is known for its balanced rear-wheel-drive chassis and engaging driving characteristics. \u003cstrong\u003eTraction Plus Ultra Coilovers\u003c\/strong\u003e build upon that foundation by providing greater suspension control, improved steering feedback, and increased confidence under braking and cornering. Digressive piston technology delivers exceptional chassis stability while maintaining ride quality, making these coilovers equally at home on daily-driven vehicles and dedicated performance builds.\u003c\/p\u003e\n\u003cp\u003eCompared to lowering springs, \u003cstrong\u003eBMW Z4 E85 Traction Plus Ultra Coilovers\u003c\/strong\u003e provide significantly greater suspension tuning capability, allowing drivers to independently adjust ride height and damping for street driving, canyon carving, autocross, or track events.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e📧 International Orders\u003c\/h2\u003e\n\u003cp\u003eFor international shipping inquiries, please email us at \u003cstrong\u003e\u003ca class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@riactionshocks.com\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eExperience the precision of \u003cstrong\u003eRiaction Traction Plus Ultra Coilovers for the 2003-2008 BMW Z4 E85\u003c\/strong\u003e. Engineered with advanced digressive valving, premium materials, and extensive adjustability, this suspension system delivers the balanced handling, responsive steering, and dependable performance expected from \u003cstrong\u003eRiaction Performance Shocks\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Riaction Performance Shocks","offers":[{"title":"Default Title","offer_id":53385560588564,"sku":"0BM-013-TPU","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/3833\/7812\/files\/1999-2005-bmw-3-series-e46-rwd-non-m-traction-plus-ultra-coilovers_3c5fc53f-eec4-49f1-957a-6fa11365ff1c.webp?v=1776892319"}],"url":"https:\/\/www.riactionperformanceshocks.com\/collections\/bmw-z4-coilovers.oembed","provider":"Riaction Performance Shocks","version":"1.0","type":"link"}