{"product_id":"2003-2008-bmw-z4-e85-traction-plus-ultra-coilovers","title":"2003-2008 BMW Z4 E85 Traction Plus Ultra Coilovers","description":"\u003cp\u003eRefine the driving dynamics of your \u003cstrong\u003e2003-2008 BMW Z4 E85 \u003c\/strong\u003ewith Riaction Traction Plus Ultra coilovers. Designed for rear-wheel-drive sport sedans and coupes, the TPU system improves braking stability, reduces excessive body roll, and delivers more consistent rear traction during spirited driving.\u003c\/p\u003e\n\u003cp\u003eTraction Plus Ultra is engineered around our \u003cstrong\u003enew digressive piston design\u003c\/strong\u003e, providing firm low-speed damping for stronger roll resistance and clearer steering feedback while maintaining composure as suspension velocity increases. On the E46 chassis, this results in flatter cornering, smoother transitional response, and improved mid-corner stability without sacrificing everyday comfort.\u003c\/p\u003e\n\u003cp\u003eEach kit features a \u003cstrong\u003enickel-coated shock body\u003c\/strong\u003e for corrosion resistance and long-term durability. The \u003cstrong\u003ehex screw preload collar locking system\u003c\/strong\u003e secures spring preload during repeated hard driving. Signature orange-coated non-MacPherson components add protection and a distinctive performance finish, while pillowball upper mounts are included where applicable to maximize suspension articulation and steering precision.\u003c\/p\u003e\n\u003cp\u003eEvery Traction Plus Ultra system is backed by our 2-year factory warranty.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eTraction Plus Ultra Coilover Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRear-Wheel-Drive Non-M Configuration\u003cbr\u003eFull-Length Ride Height Adjustment\u003cbr\u003e32-Level Damping Adjustment\u003cbr\u003eNew Digressive Piston Valving\u003cbr\u003eMono-Tube Damper Design\u003cbr\u003eNickel-Coated Shock Body for Corrosion Protection\u003cbr\u003eHex Screw Preload Collar Locking System\u003cbr\u003eSignature Orange Coating on Non-MacPherson Components\u003cbr\u003ePillowball Upper Mounts (When Applicable)\u003cbr\u003e44mm High-Flow CNC 6061 Aluminum Piston\u003cbr\u003eCNC 6061 Aluminum Floating Piston\u003cbr\u003ePolyurethane Oil Seals\u003cbr\u003eSAE9254 Cold-Wound Performance Springs\u003cbr\u003eMulti-Thickness Valving Shims\u003cbr\u003eLow-Gas Pressure Internal Design\u003cbr\u003e7.5w Compounded Suspension Fluid\u003cbr\u003eFully Rebuildable Coilover Assembly\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e📧 \u003cstrong\u003eInternational Orders:\u003c\/strong\u003e\u003cbr\u003eFor international shipping inquiries, please email us at \u003ca class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@riactionshocks.com\u003cspan class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse href=\"\/cdn\/assets\/sprites-core-d1qk0x1f.svg#304883\" fill=\"currentColor\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eDeliver balanced rear-wheel-drive performance and improved chassis control in your 2003-2008 BMW Z4 E85 with Traction Plus Ultra coilovers, engineered performance shocks from Riaction Performance Shocks.\u003c\/p\u003e","brand":"Riaction Performance Shocks","offers":[{"title":"Default Title","offer_id":53385560588564,"sku":"0BM-013-LT","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\/products\/2003-2008-bmw-z4-e85-traction-plus-ultra-coilovers","provider":"Riaction Performance Shocks","version":"1.0","type":"link"}