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      08-24-2012, 11:52 PM   #6
Chriztofor
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Drives: '06 325i Auto
Join Date: Feb 2010
Location: Chicago Burbs

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Quote:
Originally Posted by monkey_wrench View Post
I missed the bit where it said, in the DYI I searched for and found, that I needed to mix a gallon of BMW coolant and a gallon of distilled water.
Perhaps I'm looking at a different DIY.

My question then was, will any coolant do, or do I need special BMW coolant.
I use peak longlife. http://www.peakauto.com/antifreeze-peak-long_life.shtml. It is phosphate and silicate free. Change it every two years for the hell of it.
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger