2000 BMW 328Ci Submodel: Base; Engine: 2.8L L6; Ribbed V-Belt; For Serpentine Belt; With OE No. 11287838797;. Part Type: Accessory Drive Belt Tensioner Assembly. Belt Tensioner, v-ribbed belt. Notes: Ribbed V-Belt; For Serpentine Belt; With OE No. 11287838797;.