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      01-20-2020, 10:14 AM   #12
mike@x-ph.com
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Drives: 2007 e92 335i / 2013 F30 328
Join Date: Sep 2013
Location: Las Vegas

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Quote:
Originally Posted by E92TiAg335i View Post
Hey guys,

When I first got my 335, I ran a few (2) gallons of E85 in that car. It made an ever so slight difference.

Can I run about the same 2 gallons stock in my M4? Will it hurt anything unlike the 335?

You probably can get away with a very low mix but there is no point in doing it on stock map