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      06-13-2012, 09:41 PM   #15
GaryS
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Drives: 2009 135i 6MT
Join Date: Feb 2010
Location: Maryland

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2009 135i  [3.25]
Quote:
Originally Posted by Pig Farmer View Post
Just thought of something really easy and cheap... Replace existing coolant with a 70/30 mix of demineralized water/coolant and add some water wetter to the mix. Probably good for a couple degrees for less than $50.
Yes, this is the first thing to do.