{"product_id":"1999-2005-bmw-m3-e46-traction-plus-ultra-coilovers","title":"1999-2005 BMW M3 E46 Traction Plus Ultra Coilovers","description":"\u003cp data-start=\"255\" data-end=\"624\"\u003eBring precise chassis control and high-load stability to your \u003cstrong data-start=\"317\" data-end=\"341\"\u003e1999-2005 BMW M3 E46\u003c\/strong\u003e with Riaction Traction Plus Ultra coilovers. Designed for one of BMW’s most iconic rear-wheel-drive performance platforms, the TPU system improves braking composure, reduces body roll under heavy lateral load, and delivers more predictable rear traction during aggressive acceleration.\u003c\/p\u003e\n\u003cp data-start=\"626\" data-end=\"1009\"\u003eTraction Plus Ultra is engineered around our \u003cstrong data-start=\"668\" data-end=\"700\"\u003enew digressive piston design\u003c\/strong\u003e, providing firm low-speed damping for stronger roll resistance and sharper steering precision while maintaining composure as suspension velocity increases. On the E46 M3 chassis, this results in flatter cornering, improved mid-corner balance, and more consistent weight transfer during repeated hard driving.\u003c\/p\u003e\n\u003cp data-start=\"1011\" data-end=\"1435\"\u003eEach kit features a \u003cstrong data-start=\"1031\" data-end=\"1059\"\u003enickel-coated shock body\u003c\/strong\u003e for corrosion resistance and long-term durability. The \u003cstrong data-start=\"1115\" data-end=\"1158\"\u003ehex screw preload collar locking system\u003c\/strong\u003e secures spring preload under sustained high-load use. Signature orange-coated non-MacPherson components add protection and a distinctive performance finish, while pillowball upper mounts are included where applicable to maximize steering precision and suspension articulation.\u003c\/p\u003e\n\u003cp data-start=\"1437\" data-end=\"1508\"\u003eEvery Traction Plus Ultra system is backed by our 2-year factory warranty.\u003c\/p\u003e\n\u003chr data-start=\"1510\" data-end=\"1513\"\u003e\n\u003cp data-start=\"1515\" data-end=\"1557\"\u003e🔧 \u003cstrong data-start=\"1518\" data-end=\"1557\"\u003eTraction Plus Ultra Coilover Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1559\" data-end=\"2196\"\u003eRear-Wheel-Drive M Configuration\u003cbr data-start=\"1591\" data-end=\"1594\"\u003eFull-Length Ride Height Adjustment\u003cbr data-start=\"1628\" data-end=\"1631\"\u003e32-Level Damping Adjustment\u003cbr data-start=\"1658\" data-end=\"1661\"\u003eNew Digressive Piston Valving\u003cbr data-start=\"1690\" data-end=\"1693\"\u003eMono-Tube Damper Design\u003cbr data-start=\"1716\" data-end=\"1719\"\u003eNickel-Coated Shock Body for Corrosion Protection\u003cbr data-start=\"1768\" data-end=\"1771\"\u003eHex Screw Preload Collar Locking System\u003cbr data-start=\"1810\" data-end=\"1813\"\u003eSignature Orange Coating on Non-MacPherson Components\u003cbr data-start=\"1866\" data-end=\"1869\"\u003ePillowball Upper Mounts (When Applicable)\u003cbr data-start=\"1910\" data-end=\"1913\"\u003e44mm High-Flow CNC 6061 Aluminum Piston\u003cbr data-start=\"1952\" data-end=\"1955\"\u003eCNC 6061 Aluminum Floating Piston\u003cbr data-start=\"1988\" data-end=\"1991\"\u003ePolyurethane Oil Seals\u003cbr data-start=\"2013\" data-end=\"2016\"\u003eSAE9254 Cold-Wound Performance Springs\u003cbr data-start=\"2054\" data-end=\"2057\"\u003eMulti-Thickness Valving Shims\u003cbr data-start=\"2086\" data-end=\"2089\"\u003eLow-Gas Pressure Internal Design\u003cbr data-start=\"2121\" data-end=\"2124\"\u003e7.5w Compounded Suspension Fluid\u003cbr data-start=\"2156\" data-end=\"2159\"\u003eFully Rebuildable Coilover Assembly\u003c\/p\u003e\n\u003chr data-start=\"2198\" data-end=\"2201\"\u003e\n\u003cp data-start=\"2203\" data-end=\"2258\"\u003e⚙️ \u003cstrong data-start=\"2206\" data-end=\"2231\"\u003eFactory Spring Rates:\u003c\/strong\u003e\u003cbr data-start=\"2231\" data-end=\"2234\"\u003eFront: 8K\u003cbr data-start=\"2244\" data-end=\"2247\"\u003eRear: 10K\u003c\/p\u003e\n\u003chr data-start=\"2260\" data-end=\"2263\"\u003e\n\u003cp data-start=\"2265\" data-end=\"2378\"\u003e📧 \u003cstrong data-start=\"2268\" data-end=\"2293\"\u003eInternational Orders:\u003c\/strong\u003e\u003cbr data-start=\"2293\" data-end=\"2296\"\u003eFor international shipping inquiries, please email us at \u003ca data-start=\"2353\" data-end=\"2376\" class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@riactionshocks.com\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" 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 data-start=\"2380\" data-end=\"2383\"\u003e\n\u003cp data-start=\"2385\" data-end=\"2595\"\u003eDeliver controlled high-performance balance and consistent rear-wheel-drive precision in your 1999-2005 BMW M3 E46 with Traction Plus Ultra coilovers—engineered performance shocks from Riaction Performance Shocks.\u003c\/p\u003e","brand":"Riaction Performance Shocks","offers":[{"title":"Factory Spring","offer_id":52385503740180,"sku":"0BM-011-TPU","price":1780.0,"currency_code":"USD","in_stock":true},{"title":"Swift Upgrade (+370)","offer_id":52385503772948,"sku":"0BM-011-TPU","price":2150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/3833\/7812\/files\/1999-2005-bmw-m3-e46-traction-plus-ultra-coilovers_d04699a3-659b-4a01-a58d-1f3e0bcdfffd.webp?v=1776892322","url":"https:\/\/www.riactionperformanceshocks.com\/products\/1999-2005-bmw-m3-e46-traction-plus-ultra-coilovers","provider":"Riaction Performance Shocks","version":"1.0","type":"link"}