Drive Belt Tension Pulley. Not sure if this part fits?.
Febi Rubber Co Drive Belt Tensioner 49870 fits 2010-2020 Mercedes-Benz CL550, CL
Febi Rubber Co Drive Belt Tensioner 48742 fits 2011-2013 BMW 135i / 2013 BMW 135
Febi Rubber Co Drive Belt Tensioner 47596 fits 2012-2018 BMW 228i, 228i xDrive,
Febi Rubber Co Drive Belt Idler Pulley 28234 fits 2006 Mercedes-Benz C230, C280,
Febi Rubber Co Fan Blade 17851 fits 1984-1988, 1991-1993 Mercedes-Benz 190E
Febi Rubber Co Adjusting Unit 46425 fits 2001-2006 BMW 325Ci / 2001-2005 BMW 325
