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      08-26-2012, 08:11 PM   #11
Chriztofor
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Drives: '06 325i Auto
Join Date: Feb 2010
Location: Chicago Burbs

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Quote:
Originally Posted by Surly73 View Post
You should use G-48, which is what BMW coolant is. And there doesn't seem to be any handy sources of G-48 that are significantly cheaper than the dealer, so you might as well use dealer coolant unless it's really hard to get.

G-48 has plastic compatibility specs which are different from some otherwise very similar coolants.
You are probably right. I am more concerned about using the right oil then the right coolant (don't ask me why). I have been using that stuff for years, even on my e46 which lasted to 200,000 miles. If anything goes wrong I will post an update.
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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