{"product_id":"suplex-06412-coil-spring-front","title":"Suplex 06412 Coil Spring - Front","description":"\u003ch2\u003eFront Coil Spring for BMW X3 and X4\u003c\/h2\u003e\u003cp\u003eSuplex 06412 is a front coil spring built for suspension service on select BMW X3 and BMW X4 models. It uses a constant wire diameter spring design with a 395 mm length, 169 mm outer diameter, and 13.75 mm thickness for a direct-fit replacement in the front suspension.\u003c\/p\u003e\u003cp\u003eCompatible With BMW X3 and BMW X4 front suspension applications, this SUPLEX spring is specified for vehicles using OE No. 31336787137. The Suplex SUPLEX line focuses on replacement suspension components engineered to match the original spring layout and dimensions needed for proper ride height and load support.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: 06412\u003c\/li\u003e\n\u003cli\u003eFront position coil spring\u003c\/li\u003e\n\u003cli\u003eConstant wire diameter spring design\u003c\/li\u003e\n\u003cli\u003eLength: 395 mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 169 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 13.75 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 2.8\u003c\/li\u003e\n\u003cli\u003eOE reference: 31336787137\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eSuplex 06412 is a front coil spring for BMW X3 and BMW X4 suspension systems. It is built to the listed dimensions and spring design, making it a direct replacement option for front-end spring service where the original OE specification calls for part number 31336787137. The SUPLEX product line is positioned around replacement suspension parts for vehicles that require accurate spring geometry and consistent front ride support.\u003c\/p\u003e\u003cp\u003eFits 2011-2017 BMW X3, front. Fits 2015-2018 BMW X4, front. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSagging front ride height\u003c\/li\u003e\n\u003cli\u003eBroken or fatigued front coil spring\u003c\/li\u003e\n\u003cli\u003eUneven front suspension stance\u003c\/li\u003e\n\u003cli\u003eNoisy or unstable front-end spring support\u003c\/li\u003e\n\u003cli\u003eReplacement needs tied to OE No. 31336787137\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstall on the front suspension only and verify OE number 31336787137 before ordering. Because coil springs are load-bearing suspension components, use proper spring compression tools and follow BMW service procedures during removal and installation. Confirm left\/right orientation and inspect related suspension parts for wear before reassembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSuplex supplies suspension components under the SUPLEX line with OE-style dimensional matching for listed applications. Verify fitment against the vehicle’s model year and OE reference before installation.\u003c\/p\u003e","brand":"Suplex","offers":[{"title":"Default Title","offer_id":52426317463733,"sku":"GQFK-06412","price":119.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/LX_06412_Fro.jpg?v=1777828062","url":"https:\/\/www.partcatalog.com\/products\/suplex-06412-coil-spring-front","provider":"PartCatalog","version":"1.0","type":"link"}