{"product_id":"front-lower-forward-control-arm-ball-joint-set-lh-rh-for-bmw-x3-x4-new","title":"Front Lower Forward Control Arm \u0026 Ball Joint Set LH RH for BMW X3 X4 New","description":"\u003ch1 data-path-to-node=\"0\" style=\"text-align: center;\"\u003e4-Piece Front Lower Forward Control Arm and Ball Joint Set\u003c\/h1\u003e\u003ch2 data-path-to-node=\"1\" style=\"text-align: center;\"\u003ePrecision Suspension Restoration for BMW X3 and X4 Models\u003c\/h2\u003e\u003cp data-path-to-node=\"2\"\u003eRestore the legendary \"Ultimate Driving Machine\" road feel to your BMW with this comprehensive \u003cb data-path-to-node=\"2\" data-index-in-node=\"95\"\u003e4-Piece Front Lower Forward Control Arm and Ball Joint Kit\u003c\/b\u003e. These components, often referred to as \"thrust arms\" or \"tension struts,\" are the primary defenders against braking vibration and steering instability. Over time, the heavy-duty hydraulic bushings in these arms tend to leak or crack, leading to sloppy steering response, front-end \"shudder\" under braking, and uneven tire wear.\u003c\/p\u003e\u003cp data-path-to-node=\"3\"\u003eThis kit provides a total refresh for the forward section of your front suspension. By replacing both the aluminum control arms and the specialized lower forward ball joints simultaneously, you ensure that the entire geometry of the front axle is returned to factory specifications. Each part is precision-engineered from high-grade aluminum and steel to match the weight and performance characteristics of the original BMW chassis.\u003c\/p\u003e\u003chr data-path-to-node=\"4\"\u003e\u003ch2 data-path-to-node=\"5\"\u003eFitment Verification and Vehicle Applications\u003c\/h2\u003e\u003cp data-path-to-node=\"6\"\u003eThis 4-piece kit is designed for the \u003cb data-path-to-node=\"6\" data-index-in-node=\"37\"\u003eFront Lower Forward\u003c\/b\u003e position on the following BMW Sport Activity Vehicles:\u003c\/p\u003e\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eBMW X3 (F25 Chassis):\u003c\/b\u003e 2011, 2012, 2013, 2014, 2015, 2016, 2017.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eBMW X4 (F26 Chassis):\u003c\/b\u003e 2015, 2016, 2017, 2018.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eCompatibility:\u003c\/b\u003e Fits all sDrive and xDrive variants (28i, 28d, 35i, M40i).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eFitment Note:\u003c\/b\u003e These are the forward-facing arms in the dual-lower control arm suspension setup.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"8\"\u003e\u003ch2 data-path-to-node=\"9\"\u003eTechnical Specifications and Attributes\u003c\/h2\u003e\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eQuantity:\u003c\/b\u003e 4-Piece Set (Complete Left and Right Forward assemblies).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eMaterial:\u003c\/b\u003e Lightweight, High-Strength Aluminum Alloy.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eBushing Type:\u003c\/b\u003e Pre-installed Premium Hydraulic\/Rubber Bushings.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eBall Joints:\u003c\/b\u003e (2) Heavy-Duty, Maintenance-Free Forward Ball Joints.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"10,4,0\"\u003e\u003cb data-path-to-node=\"10,4,0\" data-index-in-node=\"0\"\u003eFinish:\u003c\/b\u003e Natural Aluminum for superior corrosion resistance.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"10,5,0\"\u003e\u003cb data-path-to-node=\"10,5,0\" data-index-in-node=\"0\"\u003eFitment Type:\u003c\/b\u003e Direct Replacement.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"11\"\u003e\u003ch2 data-path-to-node=\"12\"\u003eWhat’s in the Box\u003c\/h2\u003e\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"13,0,0\"\u003e(2) Front Lower Forward Control Arms (LH \u0026amp; RH)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"13,1,0\"\u003e(2) Front Lower Forward Ball Joints (LH \u0026amp; RH)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eNote:\u003c\/b\u003e High-strength mounting nuts for the ball joint studs are typically included.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"14\"\u003e\u003ch2 data-path-to-node=\"15\"\u003eIndustry Cross-Reference Numbers\u003c\/h2\u003e\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eBMW:\u003c\/b\u003e 31106787665, 31106787673, 31106787674\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eMOOG Chassis Products:\u003c\/b\u003e K500312\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eDorman - OE Solutions:\u003c\/b\u003e 522-889, 522-890\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eDelphi:\u003c\/b\u003e TC3232, TC3233\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"16,4,0\"\u003e\u003cb data-path-to-node=\"16,4,0\" data-index-in-node=\"0\"\u003eMevotech Supreme:\u003c\/b\u003e CMS101252, CMS101253, MS10566\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,5,0\" id=\"p-rc_501e2151c1bce212-125\"\u003e\u003cspan class=\"citation-176\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"16,5,0\" data-index-in-node=\"0\"\u003eBeck\/Arnley:\u003c\/b\u003e\u003cspan class=\"citation-176 citation-end-176\"\u003e 102-7795, 102-7796\u003csource-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c4158699256=\"\"\u003e\u003csup _ngcontent-ng-c4158699256=\"\" class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c\/sup\u003e\u003c\/source-footnote\u003e\u003c\/span\u003e\u003csources-carousel-inline ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c1890690529=\"\"\u003e\u003csource-inline-chip _ngcontent-ng-c1890690529=\"\" _nghost-ng-c4216981734=\"\" class=\"ng-star-inserted\"\u003e\u003c\/source-inline-chip\u003e\u003c\/sources-carousel-inline\u003e\u003c\/p\u003e\n\u003cdiv _ngcontent-ng-c4216981734=\"\" class=\"source-inline-chip-container ng-star-inserted\"\u003e\u003cbutton _ngcontent-ng-c4216981734=\"\" cdkoverlayorigin=\"\" class=\"button ng-star-inserted\" aria-label=\"View source details for citation from Suspension.com. Opens side panel.\" jslog='262206;track:generic_click,impression,attention;BardVeMetadataKey:[[\"r_ff62fd51c256aa5a\",\"c_e273d55d3711b952\",null,\"rc_501e2151c1bce212\",null,null,\"en\",null,1,null,null,1,0],null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[0]]' data-hveid=\"0\" decode-data-ved=\"1\" data-ved=\"0CAAQvoAQahgKEwitr9yIgoSTAxUAAAAAHQAAAAAQgwU\"\u003e\u003cmat-icon _ngcontent-ng-c4216981734=\"\" role=\"img\" fonticon=\"link\" class=\"mat-icon notranslate symbol gds-icon-s google-symbols mat-ligature-font mat-icon-no-color ng-star-inserted\" aria-hidden=\"true\" data-mat-icon-type=\"font\" data-mat-icon-name=\"link\"\u003e\u003c\/mat-icon\u003e\u003c\/button\u003e\u003c\/div\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr data-path-to-node=\"17\"\u003e\u003ch2 data-path-to-node=\"18\"\u003eInstallation and Technical Tips\u003c\/h2\u003e\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"19,0,0\"\u003e\u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"\u003eTorque at Ride Height:\u003c\/b\u003e This is the most critical step for BMW suspension longevity. \u003cb data-path-to-node=\"19,0,0\" data-index-in-node=\"84\"\u003eDo not perform the final tightening\u003c\/b\u003e of the bushing-to-chassis bolts while the vehicle is suspended on a jack or lift. Lower the vehicle onto its wheels (or onto drive-on ramps) so the suspension is under its own weight before applying final torque. Tightening at full \"droop\" will pre-load the rubber, causing the new bushings to tear prematurely.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"19,1,0\"\u003e\u003cb data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"\u003eProfessional Alignment Required:\u003c\/b\u003e Replacing the thrust arms will alter your vehicle's toe and caster settings. A professional 4-wheel alignment is mandatory immediately after installation to ensure straight tracking and to prevent rapid tire wear.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"19,2,0\"\u003e\u003cb data-path-to-node=\"19,2,0\" data-index-in-node=\"0\"\u003eSpecialized Ball Joint Tooling:\u003c\/b\u003e Removing the original forward ball joints from the steering knuckle often requires a specialized ball joint separator. Using a \"pickle fork\" is not recommended as it can damage the steering knuckle or surrounding components.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp data-path-to-node=\"19,3,0\"\u003e\u003cb data-path-to-node=\"19,3,0\" data-index-in-node=\"0\"\u003eHardware Replacement:\u003c\/b\u003e BMW often utilizes \"torque-to-yield\" fasteners (one-time use stretch bolts) for suspension mounting. It is highly recommended to source new Grade 10.9 or higher mounting bolts for the chassis side to ensure safety and proper clamping force.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AM Autoparts","offers":[{"title":"Default Title","offer_id":53637663752560,"sku":"EBY-AM-375469022146","price":201.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/6902\/3088\/files\/57_b80af7cf-6900-42a9-81f6-a549a39a8967.jpg?v=1776366446","url":"https:\/\/www.autofusionparts.com\/products\/front-lower-forward-control-arm-ball-joint-set-lh-rh-for-bmw-x3-x4-new","provider":"Auto Fusion Parts ","version":"1.0","type":"link"}