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      01-27-2018, 01:01 PM   #34
mike@x-ph.com
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Drives: 2007 e92 335i / 2013 F30 328
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Quote:
Originally Posted by jgoens View Post
Interesting stuff here. I have a JB4 and have considered a flash but don't want to do the taking out ECU thing. Am wondering what would be the TOTAL gain with JB4 and say AA tune. Also wondering if it might be too much power in putting the power down---with e85 it's almost that way right now.
I dont have any dyno for both piggy used together.
Stacking the two will give Jb4 control over boost, AA flash will control everything else.

Jb4 will also have its failsafes working to protect your engine if anything goes wrong.

Stacking on BMW has always been proven to give the best results.