M30 timing chains live long

["Dan, Marilyn, Anathea & Phillip Patzer" <bmrfamly@xxxxxxxxxx>]

Georg
  The M30 motor turns so slowy because of the overdrive tranny, that the
timing chain just doesn't get all that much wear.
  I always change the chain and cam sprocket during valve jobs, or cam &
crank sprockets and timing chain during motor rebuilds, but I've never had
to replace a newer (80-) M30 timing chain as a seperate project.
  I've had them go over 400k miles without a problem.

 Dan Patzer the CyberWrench from BIMMERS ONLY Seattle's exclusive BMW hobby
shop
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