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      09-06-2011, 01:51 PM   #13
ErvGotti
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Drives: 2008 135i 6MT
Join Date: Jul 2010
Location: Aviano

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2008 135i  [6.00]
Quote:
Originally Posted by Chalo1 View Post
I know that just adding E85 with no tunning will make any rough, I used a SAFC to tune my AFR's. It was really simple using s wideband o2 gauge.
Yeah but there is only so much boost you can run with E85 before you'll run lean with the stock injectors even with a tune. I believe they were running 14-15 psi with pure E85 and was running lean. At this stage I'll take my 20% with 93 oct at 15 psi with a proper running engine.
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