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      04-11-2018, 05:44 PM   #21
rjahl
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Drives: Z4 35is
Join Date: Jun 2011
Location: Tampa

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2012 Z4 35is  [0.00]
Quote:
Originally Posted by cwlo View Post
On the 8000 rpm, I always thought it was the oil in the lifter foaming up, and the lifter collapsing that kept anything over 7400rpm a problem. Wonder what their solution was.
Solid lifters fix that problem
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