{"product_id":"dorman-520-985-suspension-control-arm-and-ball-joint-assembly-front-left-lower-rearward","title":"Dorman 520-985 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward","description":"\u003ch2\u003eDorman 520-985 Front Left Lower Rearward Control Arm\u003c\/h2\u003e\u003cp\u003eDorman 520-985 is a suspension control arm and ball joint assembly made as a direct replacement for the original equipment on specific BMW applications. It is built to support smooth ride quality, directional stability, and predictable handling response for front suspension service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement suspension control arm and ball joint assembly\u003c\/li\u003e\n\u003cli\u003eFits the front left lower rearward position on select BMW models\u003c\/li\u003e\n\u003cli\u003eSteel control arm construction with casting\/forged design\u003c\/li\u003e\n\u003cli\u003eBall joint included with threaded stud type\u003c\/li\u003e\n\u003cli\u003ePre-greased, with bushings and dust boot included\u003c\/li\u003e\n\u003cli\u003ePainted finish for corrosion-resistant appearance\u003c\/li\u003e\n\u003cli\u003eClockwise (right) thread direction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Application\u003c\/h2\u003e\u003cp\u003eCompatible with select BMW 220i, 230i, 320i, 330i, 330e, 430i, M240i, M340i, and M440i applications in the front left lower rearward suspension position. This part cross-references Delphi TC4389 for the same application.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2022-2025 BMW 220i, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2022-2025 BMW 230i, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2023-2025 BMW 230i xDrive, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2020-2025 BMW 320i, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2020-2025 BMW 330e, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2019-2025 BMW 330i, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2019-2025 BMW 330i xDrive, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2021-2025 BMW 430i, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2022-2025 BMW 430i Gran Coupe, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2021-2025 BMW 430i xDrive, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2023-2025 BMW 430i xDrive Gran Coupe, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2023-2025 BMW M240i, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2022-2025 BMW M240i xDrive, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2020-2025 BMW M340i, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2020-2025 BMW M340i xDrive, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2021-2025 BMW M440i, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2022-2025 BMW M440i Gran Coupe, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2021-2025 BMW M440i xDrive, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2022-2025 BMW M440i xDrive Gran Coupe, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2021-2024 BMW 330e xDrive, front left lower rearward\u003c\/li\u003e\n\u003cli\u003eFits 2022-2023 BMW 440i Gran Coupe, front left lower rearward\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront suspension looseness or wandering\u003c\/li\u003e\n\u003cli\u003eClunking or knocking from the lower control arm area\u003c\/li\u003e\n\u003cli\u003eUneven tire wear related to worn suspension joints\u003c\/li\u003e\n\u003cli\u003eReduced steering stability during braking or cornering\u003c\/li\u003e\n\u003cli\u003eExcess play from a worn ball joint or bushing assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the front left lower rearward position before installation and confirm thread direction, mounting points, and vehicle-specific suspension layout. Because this assembly includes the ball joint, bushings, and dust boot, it is suited for replacing a worn OE-style arm rather than rebuilding the original component. Always inspect adjacent suspension parts and perform a wheel alignment after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman subjects this control arm assembly to an industry-leading evaluation process to help maintain OE-level ride behavior and consistent suspension dynamics. Dorman 520-985 is engineered as a direct replacement for specific BMW fitments, including 330i, 430i, M340i, and M440i applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53003570610357,"sku":"BKKY-520-985","price":129.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_520985_FRO.jpg?v=1787293748","url":"https:\/\/www.partcatalog.com\/products\/dorman-520-985-suspension-control-arm-and-ball-joint-assembly-front-left-lower-rearward","provider":"PartCatalog","version":"1.0","type":"link"}