{"product_id":"eibach-2021-bmw-m4-pro-coil-spring-kit","title":"Eibach 2021+ BMW M4 Pro Coil Spring Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eE10-20-049-12-22\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e \u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach 2021-2025 BMW M4 Pro-Kit Lowering Springs E10-20-049-12-22\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Eibach PRO-KIT delivers precise lowering springs for 2021-2025 BMW M4 Base, Competition, CS, and CSL models. This kit lowers the front by 25mm (1.0 inch) and rear by 30mm (1.2 inches) to improve cornering grip, reduce body roll, and create a lowered stance. Drivers gain responsive handling on street or track without sacrificing daily comfort.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Drop Specs:\u003c\/strong\u003e Front -25mm (1.0in), rear -30mm (1.2in) calibrated for G82\/G83 M4 chassis balance and OEM shock compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgressive Spring Design:\u003c\/strong\u003e Varies rates (front ~450 lb\/in, rear ~550 lb\/in) for smooth ride over bumps while stiffening under load for track precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShot-Peened Steel Construction:\u003c\/strong\u003e Heat-treated, powder-coated springs resist corrosion and maintain shape under high stress for long-term durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling Gains:\u003c\/strong\u003e Cuts squat, dive, and roll by lowering center of gravity, sharpening steering response on BMW M4 models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMillion-Mile Warranty:\u003c\/strong\u003e Backed by Eibach's lifetime guarantee against sagging or defects when installed correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair with camber plates or sway bars for optimal alignment and performance after install.\u003c\/li\u003e\n\u003cli\u003eInspect shocks for wear; replace if over 50k miles for best results.\u003c\/li\u003e\n\u003cli\u003eProduct ships fully assembled; weight 27 lbs, box dimensions 22in x 8in x 8in.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eUse spring compressor tool; torque to BMW specs (front strut 65 Nm, rear shock 110 Nm).\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on with OEM mounts; no modifications needed for RWD G82\/G83 M4.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2025\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2025\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eCompetition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2025\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003eCSL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Eibach?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDecades as OEM and racing suspension supplier to BMW teams worldwide.\u003c\/li\u003e\n\u003cli\u003eSprings manufactured in Germany with tight tolerances for consistent performance.\u003c\/li\u003e\n\u003cli\u003eProven in motorsports like DTM where BMW M4 platforms dominate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit 2021-2025 BMW M4 xDrive models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Designed for RWD G82\/G83 coupes\/convertibles only; xDrive requires separate kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the springs made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e High-tensile chrome-silicon steel, shot-peened and epoxy powder-coated for rust resistance and fatigue strength.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install process?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime million-mile warranty; install takes 4-6 hours with lift, compressor, and alignment afterward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure cardboard box, 22in L x 8in W x 8in H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 27 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":42485668479055,"sku":"EIBE10-20-049-12-22","price":335.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-2021-bmw-m4-pro-coil-spring-kit-eibach.jpg?v=1766043142","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-2021-bmw-m4-pro-coil-spring-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}