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      07-20-2019, 10:32 AM   #18
IK6SPEED
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Drives: BMW M3 / AH3
Join Date: Jan 2013
Location: Cali

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Quote:
Originally Posted by Billfitz View Post
Quote:
Originally Posted by F30ZHP View Post
You can run pure E85 through our cars?
Whether you can or not has no bearing on carbon deposits on the intake valves. Read Post #8.
Clearly you don't know that running 100% E85 in your car full time will take care of any built up carbon deposits and keep any future buildup from occurring.

Quote:
Originally Posted by F30ZHP View Post
Quote:
Originally Posted by IK6SPEED View Post
Not without the proper modifications and tune, but running it takes care of any carbon deposits - yet another benefit.
I also heard on these boards that you can do an 80% 91 octane and 20% E85 fill to get it to 93 octane without a tune.
That will not accomplish cleaning the built up carbon deposits.
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