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      09-29-2012, 05:06 PM   #11
First Lieutenant

Drives: 2007 335I
Join Date: Mar 2012
Location: Turbotown

iTrader: (0)

Originally Posted by RobBeck View Post
They have been revised over time, and are better, but still are not bullet proof. The materials required to last are very costly, and even those will not last forever. Your best bet for Wastegate longevity is to keep the wastegate actuators in perfect adjustment, as the further the internal wastegate bushings wear the further out of adjustment the actuators go and in turn the faster the bushing and shaft are worn. Hope that makes sense, but I have seen even some 1M cores come back and have alarming amounts of wear considering the age and mileage.
Thanks Rob, but I'm wondering: How does one keep the wastegates in "perfect adjustment?" Is there some sort of maintence routine you'd recommend?