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      11-28-2011, 12:47 PM   #12
Chriztofor
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Drives: '06 325i and '13 X5
Join Date: Feb 2010
Location: Chicago Burbs

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Quote:
Originally Posted by Clifton View Post
I'm a fan of Techron fuel system cleaner (not the injector cleaner).

Red-Line makes a good fuel system cleaner as well, but I've found that I like Chevron's treatment better.

Some will disagree, but I like to run system cleaners 1-2 tanks before changing the oil.
You can use chevron techron up to 5 times before
you have to change the oil. I posted an email from Chevron awhile
back. Can't look for it now because I am on my iPhone.
__________________
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
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