Thread: bmw 1m jb4 vs 335i jb4
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      12-13-2011, 11:25 PM   #13
Papethova
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Drives: '08 135/ '11 1M
Join Date: Oct 2007
Location: at Death Valley 127

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Quote:
Originally Posted by Drace1 View Post
You're right, I believe Terry did mention something about 14.5 psi for the 1M.
EDIT.. it says map 2 is equal to map 7 from the JB3. I thought 7 was a definite no no on 91 octane
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