This tensioner is responsible for maintaining constant tension on the timing belt on your M20 engine. With age the bearing can wear out causing squeaks or the tensioner itself is failing. We recommend replacing this tensioner when installing a new timing belt for best performance and service life.
BMW Part Number: 11311711154
We also sell the M20 timing belt.
M20 TIMING BELT TENSIONER
- M20 Timing Belt Tensioner
- BMW Part Number 11311711154