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      09-12-2011, 02:23 PM   #3
yxc145
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Drives: 2011 535i
Join Date: Jul 2011
Location: Chicago

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Quote:
Originally Posted by Jacobbeckley View Post
So I increased the boost today to 4.3 over stock. That\'s 43% over stock. It is really noticeable. I am running 93 octane.

What has anyone else over boosted to? What is the \"safe\" threshold? Has anyone tried going higher?
Jacob

I did not notice a big difference between 3.5 to 4.1. what is wrong?.......
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