{"product_id":"megan-racing-bmw-m3-e46-01-06-spec-rs-series-coilovers-mr-cdk-e46m3-rs","title":"Megan Racing - BMW M3 (E46) 01-06 – Spec-RS Series Coilovers – MR-CDK-E46M3-RS","description":"\u003cp data-start=\"668\" data-end=\"1064\"\u003eUpgrade the handling, suspension response, and chassis control of your BMW E46 M3 with the \u003cstrong data-start=\"759\" data-end=\"842\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eMegan Racing\u003c\/span\u003e\u003c\/span\u003e Spec-RS Series Coilover Suspension System\u003c\/strong\u003e. Designed specifically for the E46 M3 chassis, this advanced suspension system delivers precision damping control, aggressive ride height capability, and race-inspired adjustability for both street and track applications.\u003c\/p\u003e\n\u003cp data-start=\"1066\" data-end=\"1490\"\u003eThe Spec-RS system features \u003cstrong data-start=\"1094\" data-end=\"1157\"\u003e32 levels of independent compression and rebound adjustment\u003c\/strong\u003e, allowing drivers to fine-tune suspension behavior for various driving conditions, tire setups, and alignment configurations. Compression damping is adjusted via external reservoirs to increase oil capacity and improve heat management, while rebound adjustment is easily accessed at the top of each damper for quick, precise tuning.\u003c\/p\u003e\n\u003cp data-start=\"1492\" data-end=\"1773\"\u003eRide height is adjusted independently from spring preload through CNC-machined locking spring perches and adjustable shock body length. This design maintains full suspension travel while allowing accurate corner balancing and aggressive lowering without compromising damper stroke.\u003c\/p\u003e\n\u003cp data-start=\"1775\" data-end=\"2241\"\u003eFor strut-type suspension applications, the Spec-RS kit includes \u003cstrong data-start=\"1840\" data-end=\"1904\"\u003epillow-ball upper mounts with integrated front camber plates\u003c\/strong\u003e, enabling precise camber adjustment to improve steering response, turn-in sharpness, and tire contact under load. Built with high-strength steel dampers, aluminum rear brackets, and SAE-9254 cold-wound springs tested beyond 500,000 compression cycles, this system is engineered for durability, consistency, and high-performance driving.\u003c\/p\u003e\n\u003ch2 data-start=\"2248\" data-end=\"2270\"\u003e\u003cstrong data-start=\"2251\" data-end=\"2268\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"2273\" data-end=\"2378\"\u003e\n\u003cstrong data-start=\"2273\" data-end=\"2322\"\u003eIndependent Compression \u0026amp; Rebound Adjustment:\u003c\/strong\u003e 32-step damping control for precise suspension tuning\u003c\/li\u003e\n\u003cli data-start=\"2381\" data-end=\"2467\"\u003e\n\u003cstrong data-start=\"2381\" data-end=\"2405\"\u003eExternal Reservoirs:\u003c\/strong\u003e Increased oil capacity with separate compression adjustment\u003c\/li\u003e\n\u003cli data-start=\"2470\" data-end=\"2534\"\u003e\n\u003cstrong data-start=\"2470\" data-end=\"2505\"\u003eTop-Mounted Rebound Adjustment:\u003c\/strong\u003e Fast and accessible tuning\u003c\/li\u003e\n\u003cli data-start=\"2537\" data-end=\"2630\"\u003e\n\u003cstrong data-start=\"2537\" data-end=\"2576\"\u003eIndependent Ride Height Adjustment:\u003c\/strong\u003e Shock length adjusts separately from spring preload\u003c\/li\u003e\n\u003cli data-start=\"2633\" data-end=\"2710\"\u003e\n\u003cstrong data-start=\"2633\" data-end=\"2662\"\u003ePillow-Ball Upper Mounts:\u003c\/strong\u003e Reduces deflection and sharpens steering feel\u003c\/li\u003e\n\u003cli data-start=\"2713\" data-end=\"2792\"\u003e\n\u003cstrong data-start=\"2713\" data-end=\"2737\"\u003eFront Camber Plates:\u003c\/strong\u003e Allows aggressive alignment and track-focused tuning\u003c\/li\u003e\n\u003cli data-start=\"2795\" data-end=\"2869\"\u003e\n\u003cstrong data-start=\"2795\" data-end=\"2827\"\u003eDual-Cylinder Damper Design:\u003c\/strong\u003e Improves damping consistency under load\u003c\/li\u003e\n\u003cli data-start=\"2872\" data-end=\"2954\"\u003e\n\u003cstrong data-start=\"2872\" data-end=\"2903\"\u003eHigh-Strength Construction:\u003c\/strong\u003e Steel front brackets with aluminum rear brackets\u003c\/li\u003e\n\u003cli data-start=\"2957\" data-end=\"3028\"\u003e\n\u003cstrong data-start=\"2957\" data-end=\"2988\"\u003eComplete Hardware Included:\u003c\/strong\u003e Ready for direct bolt-on installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3035\" data-end=\"3057\"\u003e\u003cstrong data-start=\"3038\" data-end=\"3055\"\u003eSpring Rates:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"3060\" data-end=\"3080\"\u003e\n\u003cstrong data-start=\"3060\" data-end=\"3070\"\u003eFront:\u003c\/strong\u003e 8 kg\/mm\u003c\/li\u003e\n\u003cli data-start=\"3083\" data-end=\"3103\"\u003e\n\u003cstrong data-start=\"3083\" data-end=\"3092\"\u003eRear:\u003c\/strong\u003e 12 kg\/mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3110\" data-end=\"3143\"\u003e\u003cstrong data-start=\"3113\" data-end=\"3141\"\u003eDamper Adjustment Guide:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"3146\" data-end=\"3166\"\u003e\n\u003cstrong data-start=\"3146\" data-end=\"3154\"\u003e1–8:\u003c\/strong\u003e Track use\u003c\/li\u003e\n\u003cli data-start=\"3169\" data-end=\"3210\"\u003e\n\u003cstrong data-start=\"3169\" data-end=\"3178\"\u003e9–16:\u003c\/strong\u003e Mountain \/ aggressive driving\u003c\/li\u003e\n\u003cli data-start=\"3213\" data-end=\"3240\"\u003e\n\u003cstrong data-start=\"3213\" data-end=\"3223\"\u003e17–32:\u003c\/strong\u003e Street driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3247\" data-end=\"3264\"\u003e\u003cstrong data-start=\"3250\" data-end=\"3262\"\u003eFitment:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"3267\" data-end=\"3289\"\u003eBMW M3 E46 (2001–2006)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3296\" data-end=\"3321\"\u003e\u003cstrong data-start=\"3299\" data-end=\"3319\"\u003eImportant Notes:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"3324\" data-end=\"3390\"\u003eThis coilover system \u003cstrong data-start=\"3345\" data-end=\"3388\"\u003ecannot be adjusted to stock ride height\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3393\" data-end=\"3470\"\u003eDesigned for aggressive lowering and performance-oriented suspension setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3477\" data-end=\"3498\"\u003e\u003cstrong data-start=\"3480\" data-end=\"3496\"\u003ePart Number:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"3501\" data-end=\"3518\"\u003eMR-CDK-E46M3-RS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Megan Racing","offers":[{"title":"Default Title","offer_id":45200505143468,"sku":"MR-CDK-E46M3-RS","price":1439.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/2626\/0652\/files\/Screenshot2026-01-02201422.png?v=1767377687","url":"https:\/\/mrperformance.us\/products\/megan-racing-bmw-m3-e46-01-06-spec-rs-series-coilovers-mr-cdk-e46m3-rs","provider":"Mr. Performance","version":"1.0","type":"link"}