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      07-19-2016, 07:21 PM   #9
TheHouseWon
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Drives: 2013 M5
Join Date: Nov 2015
Location: SoCal

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Quote:
Originally Posted by A Frankfurt View Post
You need to make logs and adjust your mapping on the JB4
If you have not done this, then this is the reason why you are not making great gains.
The selective maps 1/2/3/4.... all need to have adjustment's to get the best performance.
Even with Meth and E85, still need to make around 10 logs or so and you can fine tune the JB4
Can you help me with this? A certain passionate m5 enthusiast from San Diego speaks highly of you and your shop!
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