belt tensioner used on BMW E31, E34,E38, 530i,740i,540i OE#:11 28 1736 724, 11281736724 ... :70mm width:28mm belt tensioner used on BMW E31, E34,E38, 530i,740i,540iOEM number: 11 28 1736 724, 11281736724Other ... -1995 (E34 chassis)BMW 740i 1993-1995 (E38 chassis)BMW 740il 1993-1995 (E38 chassis)BMW 840ci 1994-1995 (E31 chassis) ... competitive price. Belt tensioner used on BMW E31, E34,E38, 530i,740i,540i