BMW 3 & 5 Series 2.5 & 3.0L Alternator Clutch Pulley 6 Groove 2006-2007 INA F-230329 One Year Warranty! Ships Within One Business Day! OEM INA Alternator Clutch Pulley 6 Groove Clutch Pulley 53.3mm OD x 38.25mm W x 17mm Bor