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Need pic. Is it just little varnish or sludge. I seriously doubt u have a sludge problem
I also want add that ever since the late 1990's BMW engines have been designed to run very warm when compared to the previous generations. I'm also curious to know if this "sludge" is reddish.
Last edited by F32Fleet; 05-10-2011 at 06:47 AM..
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