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M20 migrating belt

Jun
  There was a problem with the toothed cam pulley collapsing on some M20
motors.
If the toothed Pulley wheel didn't keep its shape, the belt would migrate
forward.
  If the idler toothed wheel (drive for the oil pump {also drives
distributor on euro= non-Motronic motors}) was miss-alligned, or loose on
its spindle, it could miss-allign the belt.
  Or you could have a "bad belt".   Hope for a bad belt, but change the
tensioner also.

 Dan Patzer the CyberWrench from BIMMERS ONLY Seattle's exclusive BMW hobby
shop
Providing O.E.M. parts, Independent service & Instruction since 1964
 12724  Marine Drive,  Marysville, Wa. 98271
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