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      11-07-2017, 06:45 PM   #4
tracer bullet
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Drives: '11 135i , '15 X3 35i
Join Date: May 2011
Location: Saint Paul, MN

iTrader: (1)

How long are your drives and how often does your engine hit a high (i.e. 240 or so) operating temp?

Having a lot of short drives can put that stuff under the oil fill cap making you think you have a bigger problem.

Maybe you DO have a bigger problem, but be sure that's not all it is.
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