{"product_id":"wai-84900-window-regulator-rear-left","title":"WAI 84900 Window Regulator - Rear Left","description":"\u003ch2\u003ePower Window Regulator Overview\u003c\/h2\u003e\u003cp\u003eThis WAI power window regulator is a direct-fit replacement for the rear left door window system. It is built as a new electric regulator with a plastic gear and plastic roller, and it is engineered to meet or exceed OE manufacturing and performance specifications.\u003c\/p\u003e\u003cp\u003eFits BMW 750i, BMW 750Li, BMW 760Li, BMW Alpina B7, BMW 760i, BMW 745i, and BMW 745Li applications in the rear left position. Part number 84900 is a practical choice when replacing a worn or failed window regulator on these BMW door assemblies.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNew power window regulator for electric window operation\u003c\/li\u003e\n\u003cli\u003ePlastic gear and plastic roller construction\u003c\/li\u003e\n\u003cli\u003eAttachment type uses screws for secure mounting\u003c\/li\u003e\n\u003cli\u003eDirect-fit design for straightforward installation\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003eInstallation instructions included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWAI 84900 is a rear left window regulator designed for BMW 7 Series and Alpina applications listed in the fitment data. The unit is manufactured as a new replacement part with high-grade materials to support consistent window movement and proper alignment in the door assembly. Part number 84900 is also cross-referenced to BMW OE numbers 51357024813 and 51357138863 for the same application.\u003c\/p\u003e\u003cp\u003eAs a power window regulator, this component restores the mechanical action needed for electric window operation. Its screw-on attachment style and direct-fit construction are intended to simplify replacement work on the BMW 750i, 750Li, 760Li, Alpina B7, 760i, 745i, and 745Li rear left door window systems.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Issues\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWindow glass moves slowly or unevenly\u003c\/li\u003e\n\u003cli\u003eWindow will not raise or lower with the switch\u003c\/li\u003e\n\u003cli\u003eGrinding, slipping, or binding during operation\u003c\/li\u003e\n\u003cli\u003eBroken regulator gear or worn roller components\u003c\/li\u003e\n\u003cli\u003eIntermittent or failed electric window movement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Quality\u003c\/h2\u003e\u003cp\u003eConfirm the rear left position and electric window configuration before installation. Use the included instructions during replacement and verify that the window tracks and door hardware are in good condition before final assembly. Because mounting hardware is not included, reuse or source the required fasteners as needed.\u003c\/p\u003e\u003cp\u003eWAI states that this regulator is backed by a limited lifetime warranty and is manufactured to meet or exceed OE performance standards.\u003c\/p\u003e","brand":"WAI","offers":[{"title":"Default Title","offer_id":53563689664693,"sku":"HGWL-84900","price":168.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WW_84900_FRO.jpg?v=1792474885","url":"https:\/\/www.partcatalog.com\/products\/wai-84900-window-regulator-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}