{"product_id":"wai-389016-window-motor-and-regulator-assembly-rear-left","title":"WAI 389016 Window Motor and Regulator Assembly - Rear Left","description":"\u003ch2\u003eWindow Motor and Regulator Assembly Overview\u003c\/h2\u003e\u003cp\u003eThis WAI window motor and regulator assembly is built for rear left glass operation on select BMW models. It provides a direct replacement solution for restoring smooth window movement when the original unit is worn, slow, or no longer functioning.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWindow motor and regulator assembly for rear left installation\u003c\/li\u003e\n\u003cli\u003eDirect replacement format for service on the glass lift system\u003c\/li\u003e\n\u003cli\u003eFits select BMW 318ti, 318i, 328i, M3, 318is, 320i, and 325i\/325is applications\u003c\/li\u003e\n\u003cli\u003eSupports consistent window travel and controlled glass movement\u003c\/li\u003e\n\u003cli\u003eWAI part number 389016 for catalog and fitment reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eUse this assembly when the original rear left window regulator or motor has failed, binds during operation, or no longer raises and lowers the glass correctly. It is cataloged for BMW 318ti, 318i, 328i, M3, 318is, 320i, 325i, and 325is applications across the listed model years, making it a fitment-specific replacement for common power window service needs. The WAI 389016 part number helps confirm the correct application during ordering and installation planning.\u003c\/p\u003e\u003ch2\u003eCommon Issues It Can Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWindow glass that will not move up or down\u003c\/li\u003e\n\u003cli\u003eSlow, uneven, or noisy window operation\u003c\/li\u003e\n\u003cli\u003eFailure caused by a worn motor or regulator mechanism\u003c\/li\u003e\n\u003cli\u003eWindow movement that stops before reaching full travel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the rear left position and match the vehicle application before installation. Compare the original unit, connector style, and mounting points to confirm the correct replacement. For BMW 318i, 325i, and related models, checking the existing regulator assembly before removal helps reduce installation delays and ensures the new part matches the factory configuration.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWAI supplies automotive electrical components for replacement service applications. Part number 389016 is cataloged for the listed BMW fitments and is intended to restore proper window operation when the original assembly is no longer serviceable.\u003c\/p\u003e","brand":"WAI","offers":[{"title":"Default Title","offer_id":53418193027253,"sku":"HGWL-389016","price":103.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WW_389016_FRO.jpg?v=1791011984","url":"https:\/\/www.partcatalog.com\/products\/wai-389016-window-motor-and-regulator-assembly-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}