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      12-28-2011, 05:18 PM   #4
mojo1
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Drives: 2020 Z4 M40i
Join Date: Dec 2008
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
BMS tested it on 93 octane, so maybe subtract a few HP for 91 octane.



Mike
Thanks for your replies. If I'm reading this correctly, the Cobb stage 1 w/"drive" spec. Is only about 10% increase in both hp & tq. Is that right. Thanks again.
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