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      10-31-2018, 02:22 PM   #47
GT500R
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Drives: BMW X3M
Join Date: May 2018
Location: NE

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Quote:
Originally Posted by Seaz View Post
It would appear so, and to be honest the best proof is the 1/4 mile times

but I can turn off and hide my jb4 for service. How does the MP tune work when it comes to keeping it secret ?
I agree, I haven't seen any 1/4 mile times for M40i other then JB4 and MP.

I just flash the stock file back on my car, flash counter stays at 0 and dealer doesn't know anything.
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